Q: Why Choose Yellow Archangel?

Shade-Loving Beauty: Tired of struggling to find plants that thrive in the shade? Yellow Archangel flourishes in low-light conditions, brightening up those dim corners of your garden. Fast-Growing Groundcover: Quickly fills in bare areas, creating a lush carpet of silvery-green foliage and cheerful yellow flowers. Low-Maintenance: Once established, Yellow Archangel is remarkably easy to care for, requiring minimal watering and attention. It is drought-tolerant once established. Deer and Rabbit Resistant: Enjoy your garden without worrying about browsing animals! Yellow Archangel is generally unappealing to deer and rabbits. Beautiful Variegation (for variegated types): Many cultivars boast striking variegated leaves with silver or white markings, adding extra visual interest even when not in bloom. Attractive Flowers: Bright yellow, hooded flowers appear in late spring to early summer, attracting pollinators (though it is not a major nectar source). Suppresses Weeds: Its dense growth habit helps to naturally suppress weed growth, saving you time and effort. Erosion Control: Its spreading roots help stabilize soil on slopes and banks. Important Note about Invasiveness: Know Your Region: Lamiastrum galeobdolon can be invasive in some regions, particularly in the Pacific Northwest of the USA and parts of Europe. Before planting, check with your local extension office or garden authorities to ensure it is not considered invasive in your area. Always plant responsibly. Consider contained plantings (e.g., in pots, raised beds, or areas bounded by sidewalks) to limit spread.

Question 1

Why Choose Yellow Archangel?

Accepted Answer

Shade-Loving Beauty: Tired of struggling to find plants that thrive in the shade? Yellow Archangel flourishes in low-light conditions, brightening up those dim corners of your garden.
Fast-Growing Groundcover: Quickly fills in bare areas, creating a lush carpet of silvery-green foliage and cheerful yellow flowers.
Low-Maintenance: Once established, Yellow Archangel is remarkably easy to care for, requiring minimal watering and attention. It is drought-tolerant once established.
Deer and Rabbit Resistant: Enjoy your garden without worrying about browsing animals! Yellow Archangel is generally unappealing to deer and rabbits.
Beautiful Variegation (for variegated types): Many cultivars boast striking variegated leaves with silver or white markings, adding extra visual interest even when not in bloom.
Attractive Flowers: Bright yellow, hooded flowers appear in late spring to early summer, attracting pollinators (though it is not a major nectar source).
Suppresses Weeds: Its dense growth habit helps to naturally suppress weed growth, saving you time and effort.
Erosion Control: Its spreading roots help stabilize soil on slopes and banks.

Important Note about Invasiveness:

Know Your Region: Lamiastrum galeobdolon can be invasive in some regions, particularly in the Pacific Northwest of the USA and parts of Europe. Before planting, check with your local extension office or garden authorities to ensure it is not considered invasive in your area. Always plant responsibly. Consider contained plantings (e.g., in pots, raised beds, or areas bounded by sidewalks) to limit spread.

Question 2

Planting and Growing Yellow Archangel:

Accepted Answer

Light: Prefers partial to full shade. Can tolerate some morning sun, but avoid intense afternoon sun, which can scorch the leaves.

Soil: Adaptable to a wide range of soil types, but prefers moist, well-drained soil rich in organic matter. Amend heavy clay soil with compost or other organic material to improve drainage.

Water: Water regularly, especially during the first growing season, to establish a strong root system. Once established, it is relatively drought-tolerant but will perform best with consistent moisture. Avoid overwatering, which can lead to root rot.

Planting:

When: Spring or fall is the ideal time to plant.
How:

Dig a hole slightly larger than the root ball.
Gently loosen the roots if they are pot-bound.
Place the plant in the hole so that the top of the root ball is level with the surrounding soil.
Backfill the hole with soil,¹firming gently.
Water thoroughly.

Spacing: Space plants 12-18 inches apart, depending on the cultivar and desired coverage speed.

Fertilizing: Generally, Yellow Archangel does not require much fertilizer. A light application of compost or a balanced, slow-release fertilizer in early spring can be beneficial, especially in poor soils.

Pruning:

Prune back stems as needed to control spread or maintain a desired shape. You can shear the plant back after flowering to encourage bushier growth. Remove any dead or damaged foliage.
To prevent unwanted spread (crucially important): Remove flower stalks before they set seed. This is the primary way the plant spreads aggressively. Deadheading will prevent self-seeding.

Propagation:

Easily propagated by division in spring or fall. Simply dig up a clump and separate it into smaller sections, each with roots and shoots.
Stem cuttings can also be taken in spring or summer.

Winter Care: In colder climates, Yellow Archangel may die back to the ground in winter. It will typically re-emerge in spring. A layer of mulch can help protect the roots in very cold regions.

Pests and Diseases: Generally, pest and disease resistant. Slugs and snails may occasionally nibble on the foliage, but this is usually not a significant problem.

Container Growing: Yellow Archangel can be successfully grown in containers. Choose a pot with drainage holes and use a well-draining potting mix. Container growing is a good way to control its spread.

Question 3

Lamiastrum galeobdolon

Accepted Answer

Lamiastrum galeobdolon, commonly known as yellow archangel or golden dead-nettle, is a perennial groundcover that offers gardeners an attractive and low-maintenance option for shady areas. This member of the mint family (Lamiaceae) is native to shaded woodlands, copses, and thickets throughout much of Europe and western Asia. In New England, it can be found in the edges of forests and human-caused or disturbed habitats. While it can be an aggressive spreader, with proper understanding and care, yellow archangel can be a valuable addition to gardens.

Yellow archangel is recognized by its spreading habit and distinctive foliage. It grows up to 12–24 inches tall (30–60 cm) and will spread indefinitely. The leaves are opposite, ovate to rounded, with toothed edges and a pointed tip. They are typically medium to dark green, but many cultivated varieties have attractive silver markings. The leaves are aromatic when crushed. The small, yellow flowers bloom for a few weeks in mid-spring, with a few flowers produced sporadically later in the year, adding a touch of brightness to shady gardens. Flowers are in whorls of 4 to 10 at the top of the plant and at leaf axils in the upper half of the stem. Individual flowers are ¾ to 1 inch long, light lemon yellow, irregular with 2 lips at the end of a tube up to 3/8 inch long. The broad upper lip is rounded like a hood, densely covered in short hairs, and fringed with longer hairs all around the edge. The lower lip has 3 spreading lobes all about the same size, the center lobe streaked with darker orange-yellow.

Growth Habit Yellow archangel spreads by creeping stems (stolons) that root at the nodes, allowing it to form a dense mat of foliage. This plant trails along the ground by creeping runners (stolons) as a ground cover, but will climb in an almost vine-like manner over low-growing vegetation and tree stumps, typically rooting in the ground at the nodes when they come in contact with the soil. It can also spread by stem fragments and seed. It spreads by stem and root fragments and can grow up to 3 feet (1 meter) per year, giving it a competitive advantage over other plants. This vigorous growth habit makes it an effective groundcover, but it can also become invasive if not managed properly. It can grow up to 12–24 inches tall (30–60 cm) and will spread indefinitely.

Hardiness Zones Yellow archangel is hardy in USDA zones 4 to 9, making it suitable for a wide range of climates. It can tolerate temperatures as low as -40°F (-40°C). It is tolerant of a variety of urban conditions, including air pollution.

Ideal Growing Conditions One of the key advantages of yellow archangel is its adaptability to a wide range of growing conditions. It thrives in both full shade and full sun, as long as it receives adequate moisture. It also tolerates various soil types, including clay, making it a versatile choice for different garden environments.

Sunlight Requirements While yellow archangel prefers shade, it can tolerate full sun if the soil moisture is adequate. However, in hot climates, it is best to provide some shade to prevent the leaves from scorching.

Soil Type Yellow archangel is adaptable to a wide range of soil types, including clay soil. While it tolerates most soils, it prefers a light calcareous soil.

Moisture Requirements Yellow archangel prefers moist soil but can also tolerate dry shady sites and drought. In dry climates, regular watering may be necessary, especially during hot weather.

Cultivars

Cultivar	Characteristics	Growth Habit
'Herman's Pride'	Silver-marked leaves and yellow flowers	Slowly spreading clump, less aggressive than other varieties
'Florentinum'	Silver leaves with green edges and yellow flowers
'Silver Angel'	Heavily silvered leaves
'Variegatum'	Diffuse, mottled silvery markings on its leaves	Trailing habit, can be quite vigorous

Planting and Care

Planting When planting yellow archangel, space the plants about 14 inches apart. Water regularly during the first growing season to help the plants establish.

Note: This plant is prohibited in both WA and OR states.

Care Yellow archangel requires minimal care. It can be sheared back to 4 to 6 inches if it becomes leggy or cut back to new leaves at the base of the plant in midsummer. It can be divided as needed in spring or fall. Will self-seed, but seedlings may not grow true to parent.

Propagation Yellow archangel can be easily propagated through division or stem cuttings. Division is best done in spring or fall. Simply dig up a clump of the plant and carefully separate it into smaller sections, ensuring each section has roots attached. Replant the divisions at the same depth as the original plant. Stem cuttings can be taken in spring or summer. Cut a 4- to 6-inch section of stem and remove the lower leaves. Insert the cutting into a pot filled with moist potting mix and keep it in a shady location. Roots should develop within a few weeks.

Common Problems and Pests Yellow archangel is generally pest-free and disease-resistant. However, it is important to be aware of its potential to become invasive. Yellow archangel escapes from residential plantings, becoming very invasive and forming dense mats of groundcover vegetation. This plant outcompetes native species and does not provide adequate food or cover for wildlife. To prevent it from spreading, remove any unwanted plants by hand, making sure to remove all root fragments. For larger infestations or where hand-pulling is not feasible, herbicides may be necessary. Always follow the manufacturer's instructions carefully when using herbicides.

Design Ideas and Landscaping Tips Yellow archangel is a versatile groundcover that can be used in a variety of ways in the garden:

Groundcover: Its spreading habit makes it an excellent choice for covering large areas in shade.
Woodland gardens: It thrives in woodland settings, adding texture and color to the understory.
Slopes and banks: Its ability to root at the nodes makes it effective for stabilizing slopes and preventing erosion.
Containers: Trailing varieties can be used in hanging baskets or containers to add a touch of greenery.
Food Forests: Its rapid growth and shade tolerance make it a suitable groundcover in food forests.

Yellow archangel is a valuable groundcover for gardeners seeking an attractive and low-maintenance option for shady areas. Its vigorous growth habit and adaptability to a variety of conditions make it a versatile choice for many garden settings. For gardeners concerned about invasiveness, the 'Herman's Pride' cultivar is an excellent choice. It has a less aggressive growth habit compared to other varieties, making it easier to manage in garden settings. By understanding its characteristics and providing proper care, gardeners can enjoy the beauty of yellow archangel while keeping its invasive tendencies in check. Why not try adding this versatile plant to your garden today?

Question 4

Lamiastrum galeobdolon Taxonomy

Accepted Answer

Lamiastrum galeobdolon, commonly known as yellow archangel or aluminum plant, has had a bit of a taxonomic journey! Here is where it stands now:

Kingdom: Plantae (Plants)
Clade: Tracheophytes (Vascular plants)
Clade: Angiosperms (Flowering plants)
Clade: Eudicots
Clade: Asterids
Order: Lamiales (Mint order)
Family: Lamiaceae (Mint family)
Genus: Lamiastrum
Species: galeobdolon

A Note on its Taxonomic History:

It was initially placed in the genus Galeopsis (hemp-nettle) by Carl Linnaeus.
It was later moved to Lamium (dead-nettle).
Currently, it resides in its own genus, Lamiastrum, which reflects its unique characteristics that distinguish it from other members of the mint family.

Key Features of Lamiastrum galeobdolon:

Yellow Flowers: Unlike most other Lamium species, which have pink or purple flowers, Lamiastrum galeobdolon has distinctive yellow flowers with hooded upper lips and spotted lower lips.
Spreading Habit: It is a vigorous groundcover that spreads through stolons (above-ground stems that root at the nodes).
Variegated Foliage: Many popular cultivars have attractive silver markings on their leaves.

This should give you a clearer picture of where this plant fits within the plant kingdom.

Question 5

Lamiastrum galeobdolon Morphology

Accepted Answer

Lamiastrum galeobdolon, whether you call it yellow archangel or aluminum plant, has some interesting morphological features that make it stand out. Here is a closer look:

Growth Habit:

Spreading perennial: It grows vigorously, spreading via stolons (above-ground stems that root at the nodes) to form dense mats. This makes it an effective groundcover.
Height: Typically reaches 6-12 inches in height, but it can grow taller if it climbs over other vegetation.

Leaves:

Opposite arrangement: Leaves are positioned in pairs on opposite sides of the square stem, a characteristic of the mint family.
Ovate shape: Generally oval-shaped with a pointed tip and toothed margins (edges).
Variegation: Many cultivars have attractive silver or white markings on the upper surface of the leaves, giving them a distinctive look. The underside can be green or purplish.
Texture: Slightly hairy texture.

Flowers:

Whorls: Flowers are arranged in whorls (circular clusters) around the stem, typically in the upper leaf axils.
Yellow color: The flowers are a bright, cheerful yellow, which distinguishes them from many other members of the Lamium genus.
Two-lipped: Like other mint family members, the flowers have a distinct two-lipped structure.

Upper lip: Hooded and densely hairy.
Lower lip: Three-lobed with the central lobe often streaked with orange.

Bloom time: Flowers typically appear in late spring to early summer.

Stems:

Square: The stems are square in cross-section, a common feature of plants in the mint family.
Hairy: Often covered in fine hairs.
Stoloniferous: Produce long, creeping stolons that root at the nodes to form new plants.

Other:

Aromatic foliage: The leaves have a slightly minty scent when crushed, though not as strong as some other mint family members.
Fruit: After flowering, it produces small nutlets (a type of dry fruit).

These morphological traits, particularly the yellow flowers and variegated foliage, make Lamiastrum galeobdolon a popular choice for groundcover and shade gardens. It is a vigorous grower that can brighten up those areas where other plants might struggle.

Question 6

Lamiastrum galeobdolon Cultivation

Accepted Answer

Lamiastrum galeobdolon, while a beautiful groundcover, can be a bit vigorous in its growth. Here is how to cultivate it effectively and keep it in check:

Planting:

Timing: Spring or fall is best for planting, allowing it to establish before the heat of summer or the cold of winter.
Location: It thrives in partial to full shade. It can tolerate some sun, but in hot climates, it is best to provide shade during the hottest part of the day.
Soil: Prefers moist, well-drained soil. It can tolerate a range of soil types, including clay and sandy soils.

Care:

Watering: Water regularly, especially during the first growing season and dry periods. Once established, it has some drought tolerance.
Fertilizing: It is not a heavy feeder. A light application of a balanced, slow-release fertilizer in spring is usually sufficient.
Mulching: Apply a layer of organic mulch, like shredded bark, to help retain moisture and suppress weeds.
Pruning/Managing Spread:

Cutting back: Shear back plants in spring or after flowering to control size and encourage bushier growth.
Edge control: Use edging or barriers to prevent it from spreading into unwanted areas.
Remove stolons: Regularly remove any stolons that are extending beyond the desired area.

Other Considerations:

Invasive Potential: In some regions, Lamiastrum galeobdolon can become invasive. Be mindful of its growth habit and take measures to prevent it from escaping into natural areas.
Attracts Pollinators: The flowers attract bees and other pollinators.
Deer and Rabbit Resistance: It is generally deer and rabbit resistant.

Propagation:

Division: Easily propagated by dividing clumps in spring or fall.
Stem Cuttings: You can also take stem cuttings in spring or summer.

Cultivars to Consider:

'Variegatum': A popular cultivar with silver markings on the leaves.
'Herman's Pride': A less aggressive cultivar with yellow-and-green variegated foliage.
'Florentinum': Features silver markings on the leaves and yellow flowers with a touch of purple.

By understanding its growth habits and providing appropriate care, you can enjoy the beauty of Lamiastrum galeobdolon while keeping its vigorous growth in check.

Question 7

Calendar of Care – Lamiastrum galeobdolon Maintenance

Accepted Answer

Lamiastrum galeobdolon Calendar of Care

This calendar provides a general guideline for maintaining your Lamiastrum galeobdolon (yellow archangel) throughout the year. Remember to adjust the timing based on your specific climate and the plant's needs.

Early Spring (March - April)

Emergence: New growth begins to appear.
Cleanup: Remove any debris or winter mulch from around the plant.
Cut Back: Shear back plants to control size and encourage bushier growth.
Fertilize (Optional): Apply a light application of a balanced, slow-release fertilizer if desired.

Late Spring (May - June)

Flowering: Enjoy the bright yellow blooms!
Watering: Water regularly, especially during dry periods, to maintain soil moisture.
Monitor for Spread: Check for stolons extending beyond the desired area and remove them.

Summer (July - August)

Post-Bloom: Shear back plants again after flowering to maintain a tidy appearance and prevent self-seeding.
Watering: Continue to water during prolonged dry spells.
Weed Control: Keep the area around the plant weed-free.

Fall (September - October)

Reduce Watering: Gradually reduce watering as temperatures cool.
Mulch: Apply a fresh layer of organic mulch to help insulate the roots over winter.

Winter (November - February)

Dormancy: Lamiastrum galeobdolon may die back partially or completely in colder climates.
Winter Protection: In colder regions, you can provide a light layer of winter mulch for added protection.

Ongoing Care

Monitor for Invasive Spread: Regularly check for stolons spreading into unwanted areas and remove them promptly.
Divide (Optional): Divide clumps in spring or fall if they become overcrowded.

Important Notes:

Adjust for your climate: This calendar is a general guide. You may need to adjust the timing of tasks based on your specific climate and growing conditions.
Manage its spread: Be vigilant about controlling the spread of Lamiastrum galeobdolon, especially in areas where it has the potential to become invasive.
Cultivar variations: Different cultivars may have slightly different growth habits and needs.

By following this care calendar and providing consistent maintenance, you can enjoy the beauty of Lamiastrum galeobdolon while keeping its vigorous growth in check.

Question 8

Lamiastrum galeobdolon Species, Groups, Varieties and Cultivars

Accepted Answer

Lamiastrum galeobdolon! It is a species that has some interesting forms, though the distinctions between "species," "varieties," and "cultivars" can be a bit blurry in this case. Here is what you should know:

Species:

Lamiastrum galeobdolon: This is the main species, and it has a couple of subspecies that are sometimes recognized:

Lamiastrum galeobdolon subsp. galeobdolon: This is the typical form, with yellow flowers and often some silver markings on the leaves.
Lamiastrum galeobdolon subsp. argentatum: This subspecies tends to have more pronounced silver variegation on the leaves.

Varieties:

In the strict botanical sense, varieties are naturally occurring variations with distinct traits that are passed down through seed. The distinction between subspecies and varieties can be complex. Some sources might list argentatum as a variety rather than a subspecies.

Cultivars:

This is where you will find the most diversity! Cultivars are plants selected and propagated for specific traits, usually vegetatively (e.g., division or cuttings). Here are a few popular ones:

'Variegatum': A widely available cultivar with silver markings on the leaves. It can be quite vigorous.
'Herman's Pride': A less aggressive spreader with yellow-and-green variegated foliage.
'Florentinum': Features silver markings on the leaves and yellow flowers with a touch of purple on the lower lip.
'Silver Angel': Has silvery-white leaves with green edges and veins.

Groups:

There are not formal taxonomic groups within Lamiastrum galeobdolon, but you might see them loosely categorized by:

Variegation: Silver markings, yellow-and-green variegation, etc.
Growth Habit: Vigorous spreading vs. more compact or clumping.

Important Notes:

Nomenclature: The naming of Lamiastrum galeobdolon and its forms can be inconsistent. You might find the same cultivar listed under different names or see variations in how subspecies and varieties are treated.
Invasive Potential: Keep in mind that Lamiastrum galeobdolon can be invasive in some regions. Choose cultivars carefully and be mindful of their growth habits.

If you are looking for specific cultivars, it is always a good idea to check with local nurseries or online plant databases to see what is available and best suited for your area.

Question 9

Lamiastrum galeobdolon for mass planting

Accepted Answer

Lamiastrum galeobdolon can be a very effective plant for mass planting, especially in shady areas where other groundcovers struggle. However, its vigorous spreading habit requires careful consideration and management. Here is a breakdown of its pros and cons, along with tips for successful mass planting:

Why Lamiastrum galeobdolon can be good for mass planting:

Fast Coverage: It spreads rapidly via stolons, quickly forming a dense mat that covers bare ground and suppresses weeds.
Shade Tolerance: It thrives in shady conditions where many other plants struggle, making it valuable for woodland gardens, underplanting shrubs, or brightening up north-facing slopes.
Attractive Foliage: The variegated cultivars, with their silver or white markings on the leaves, add visual interest even when not in bloom.
Low Maintenance: Once established, it requires relatively little care.

Cautions and Considerations:

Invasive Potential: Its vigorous growth can make it invasive in some regions. It is essential to be aware of its potential to spread aggressively and take measures to contain it.
Can Overwhelm Other Plants: Its spreading habit can smother smaller or less vigorous plants. Choose companion plants carefully.

Tips for Successful Mass Planting:

Choose the Right Cultivar: Opt for less aggressive cultivars like 'Herman's Pride' if you are concerned about invasiveness.
Spacing: Space plants about 12-18 inches apart to allow for spreading.
Contain the Spread:

Edging: Use physical barriers like edging or buried borders to prevent it from spreading beyond the desired area.
Regular Monitoring: Keep an eye on its growth and remove any stolons that extend beyond the designated space.

Combine with Suitable Companions: Pair it with other shade-tolerant, spreading plants that can hold their own, such as:

Ferns
Hostas
Pulmonarias (Lungwort)
Epimediums (Barrenwort)

Design Ideas:

Woodland Underplanting: Mass plant Lamiastrum galeobdolon under trees or shrubs to create a lush, textured groundcover.
Slope Stabilization: Its spreading habit can help stabilize slopes and prevent erosion.
Border Edging: Use it as a border along pathways or garden beds, but be sure to contain its spread.
Container Planting: It can even be used in large containers, but you will need to monitor its growth and prune it regularly.

By understanding its growth habits and taking steps to manage its spread, you can successfully use Lamiastrum galeobdolon for mass planting and create a beautiful, low-maintenance groundcover in your garden.

Question 10

What Is Lamiastrum?

Accepted Answer

Lamiastrum, also known as yellow archangel, is a genus of flowering plants in the mint family, Lamiaceae. It is a close relative of the Lamium genus, and the two are often confused.

There is only one species of Lamiastrum, Lamiastrum galeobdolon, which is native to Europe and western Asia. It is a popular groundcover plant that is valued for its attractive foliage and yellow flowers.

Lamiastrum galeobdolon is a herbaceous perennial that grows to about 12 inches tall. It has square, hairy stems and round, scalloped leaves that are green or variegated. The flowers are small and yellow, and they bloom in late spring or early summer.

Lamiastrum galeobdolon is a very easy plant to grow. It is tolerant of a wide range of soils and light conditions, and it is relatively pest- and disease-resistant. It is a good choice for shade or partial shade, and it can also tolerate full sun in cooler climates.

Lamiastrum galeobdolon is a fast-growing plant, and it can spread quickly by both stolons and seeds. This can be a good thing if you are looking for a plant to quickly fill in a large area, but it is something to be aware of if you are planting it near other plants that you do not want it to overtake.

Here are some of the common uses of Lamiastrum galeobdolon:

Groundcover: Lamiastrum galeobdolon is a great choice for a groundcover in shade or partial shade. It will quickly fill in an area and suppress weeds.
Border plant: Lamiastrum galeobdolon can also be used as a border plant. Its yellow flowers will add a pop of color to your garden.
Container plant: Lamiastrum galeobdolon can also be grown in containers. It is a good choice for mixed container planting.

Overall, Lamiastrum galeobdolon is a versatile and easy-to-grow plant that is a great addition to any garden.

Question 11

How Do I Plant Lamiastrum?

Accepted Answer

Planting Lamiastrum is a breeze, thanks to its adaptability and resilience! Here is how you can get started:

Choosing the Right Time and Location:

Timing: The best time to plant Lamiastrum is in spring or fall when the temperatures are mild. In mild climates, you can even plant in winter. Avoid planting during extreme heat or frost.
Location: Lamiastrum thrives in partial to full shade, although some varieties like 'Hermanns Pride' can tolerate light morning sun. Avoid full sun in hot climates to prevent leaf scorch.

Preparing the Soil and Planting:

Soil: Lamiastrum prefers well-drained, moderately fertile soil. If your soil is heavy clay, amend it with compost or well-rotted manure to improve drainage.
Planting: Dig holes slightly larger than the root ball of your Lamiastrum plants. Space them according to their mature size: about 12-18 inches apart for standard varieties and 8-12 inches for smaller varieties. Gently remove the plants from their containers and loosen the roots if tightly bound. Place them in the holes and backfill with soil, tamping it down gently. Water thoroughly to settle the soil around the roots.

Additional Care Tips:

Watering: Water regularly, especially during the first year of establishment, to keep the soil moist but not soggy. Once established, Lamiastrum is somewhat drought-tolerant and only needs occasional watering during dry spells.
Mulching: Apply a layer of mulch around the base of your plants to retain moisture, suppress weeds, and regulate soil temperature.
Fertilizing: Lamiastrum does not require much fertilizer but can benefit from a light application of balanced fertilizer once or twice a year during the growing season.
Maintenance: Lamiastrum is relatively low maintenance. You can deadhead spent flowers to encourage repeat blooming, and occasionally trim back leggy stems to maintain a neat appearance.

Propagation:

If you would like to expand your Lamiastrum collection, good news! It is easy to propagate:

Division: Divide established clumps in spring or fall, ensuring each division has healthy roots and shoots. Replant divided sections in prepared soil.
Stem cuttings: Take 4–6-inch stem cuttings in early summer and remove the bottom leaves. Dip the cut end in rooting hormone and plant in a pot with moist potting mix. Place in a bright, indirect location and keep the soil moist. Once rooted, transplant to your desired location.
Layering: Bend a long stem down to the ground and cover a portion with soil, leaving the tip exposed. Roots will form at the buried section, and you can detach the rooted section later to create a new plant.

By following these simple steps, you can enjoy the lush foliage and cheerful blooms of Lamiastrum in your garden for years to come!

Bonus Tip: Lamiastrum attracts pollinators like bees and butterflies, making it a valuable addition to a pollinator-friendly garden.

Question 12

What Are the Different Varieties of Lamiastrum?

Accepted Answer

While there is only one officially recognized species of Lamiastrum, Lamiastrum galeobdolon, it boasts a vibrant and diverse range of cultivated varieties! Each variety offers unique characteristics in terms of foliage, flower color, and growth habit, allowing you to tailor your choice to your specific garden needs and preferences. Here is a glimpse into some popular Lamiastrum varieties:

Foliage Variations:

'Herman's Pride': This classic features stunning variegated foliage with silver markings on green leaves, complemented by bright yellow flowers.
'Variegatum': Similar to Herman's Pride, but with a more pronounced silver variegation pattern, almost creating a silvery sheen on the leaves.
'Beacon Silver': Wide, silvery patches dominate the leaves, leaving narrow green margins, for a striking contrast.
'Aureum': This variety displays beautiful golden-yellow leaves, adding a burst of sunshine to your garden, even in shade.

Flower Power:

'Florescente Rose': Delightful pale pink flowers grace this variety, adding a touch of romance to the shade.
'Pink Chablis': Soft lavender-pink flowers adorn the silvery-green foliage, creating a delicate and charming combination.
'Pink Pearls': Rosy-pink flowers with darker markings offer a unique and eye-catching contrast against the green leaves.

Growth and Habit:

'Mont Blanc': A compact variety with pure white flowers, ideal for edging or small spaces.
'Silver Carpet': This low-growing variety forms a dense, shimmering silver carpet, perfect for suppressing weeds and providing a textural contrast.
'Yellow Archangel': The classic, non-variegated form with bright yellow flowers and green foliage, a reliable and easy-to-care-for choice.

Beyond the Standard:

'Orvala Alba': While technically in the Lamium genus, this tall-growing variety with white flowers and large, rounded leaves creates a similar effect to Lamiastrum, offering more verticality to your shade garden.

Remember, this is just a selection! Many other exciting Lamiastrum varieties exist, waiting to be discovered. Research and explore to find the perfect ones to personalize your garden with their unique charm and adaptability.

Question 13

How Do I Care for Lamiastrum in My Garden?

Accepted Answer

Taking care of your Lamiastrum is a true breeze! This adaptable plant requires minimal effort to thrive and reward you with vibrant foliage and cheerful blooms. Here is a rundown of essential Lamiastrum care tips:

Watering:

New plantings: Water regularly, especially during the first year, to keep the soil consistently moist but not soggy. Aim for deep watering that encourages root growth.
Established plants: Lamiastrum is fairly drought-tolerant once established. Water during dry spells to prevent wilting but allow the top inch of soil to dry slightly between waterings.

Sun and Shade:

Ideal conditions: Lamiastrum shines in partial to full shade, where its foliage thrives and avoids scorch in hot climates. In mild climates, some varieties like 'Hermanns Pride' can handle light morning sun.
Avoiding extremes: Full sun in hot conditions can burn the leaves. Deep shade might limit flowering.

Soil and Mulching:

Soil preference: Well-drained, moderately fertile soil is ideal. Amend heavy clay soil with compost or manure for better drainage.
Mulching: Apply a layer of organic mulch around the base of your plants. This retains moisture, suppresses weeds, and regulates soil temperature.

Feeding:

Fertilization: Lamiastrum does not require much fertilizer. A light application of balanced fertilizer once or twice a year during the growing season is sufficient.

Maintenance:

Deadheading: Pinch off spent flowers to encourage repeat blooming and maintain a tidy appearance.
Trimming: Occasionally trim back leggy stems to maintain compact growth and desired shape.
Dividing: Established clumps can be divided in spring or fall to propagate or control their spread.

Pests and Diseases:

Lamiastrum is generally pest- and disease-resistant. Slugs and snails might occasionally be attracted to its tender foliage, but handpicking or applying organic slug deterrents usually takes care of the problem.

Bonus Tips:

Attract pollinators like bees and butterflies to your garden by planting Lamiastrum varieties with vibrant flowers.
Mix and match different Lamiastrum varieties to create stunning textural and color combinations in your shade garden.

Remember, overwatering can be more detrimental than underwatering for Lamiastrum. Always allow the soil to dry slightly before watering again.

With these simple care tips, your Lamiastrum will flourish in your garden, adding a touch of charm and effortless beauty to your shady spaces.

Enjoy watching your Lamiastrum thrive and bring life to your garden!

Question 14

Do Lamiastrum Plants Attract Pollinators?

Accepted Answer

Lamiastrum plants are magnet attractions for pollinators, specifically bees, butterflies, and even bumblebees. This makes them incredibly beneficial additions to any garden, not just for their stunning foliage and blooms, but also for their contribution to a healthy ecosystem.

Here's why Lamiastrum attracts pollinators so well:

Rich in nectar and pollen: The flowers of Lamiastrum, while small, pack a punch when it comes to nectar and pollen production. This sweet, energy-rich reward is irresistible to pollinators on their foraging journeys.
Open and accessible bloom structure: The two-lipped flowers of Lamiastrum provide a convenient landing platform for pollinators of all sizes. The lower lip often acts as a platform, while the upper lip shelters the nectar and pollen, enticing pollinators to delve inside and collect their reward.
Bright and contrasting colors: Many Lamiastrum varieties boast vibrant colors like yellow, pink, or purple, which stand out against the shade and catch the attention of pollinators from afar.
Long blooming period: Depending on the variety, Lamiastrum can bloom from late spring to early summer, or even sporadically throughout the fall. This extended bloom time offers a reliable source of food for pollinators throughout the season.

Here are some specific examples of Lamiastrum varieties that are particularly attractive to pollinators:

Yellow Archangel (Lamiastrum galeobdolon): The classic yellow blooms of this variety are a beacon for bees and butterflies.
Pink Chablis (Lamiastrum galeobdolon 'Pink Chablis'): The soft lavender-pink flowers of this variety are irresistible to bumblebees and butterflies.
Florescente Rose (Lamiastrum galeobdolon 'Florescente Rose'): The delicate pale pink flowers of this variety attract a variety of pollinators, including bees, butterflies, and even hummingbirds.

By incorporating Lamiastrum into your garden, you are not just creating a beautiful space, you are also contributing to a thriving ecosystem by providing vital food and habitat for pollinators. These essential creatures play a critical role in plant reproduction and ensure the health and diversity of our natural world.

So, go ahead and plant some Lamiastrum! You will be rewarded with stunning flowers, happy pollinators, and the satisfaction of knowing you are making a positive difference in the environment.

Question 15

Can I Use Lamiastrum in Floral Arrangements?

Accepted Answer

Lamiastrum, with its charming foliage and cheerful blooms, can be a wonderful addition to your floral arrangements, adding texture, contrast, and unique beauty. Here is how you can incorporate it:

Foliage:

Green or variegated leaves: Both solid green and variegated Lamiastrum foliage can add interesting texture and contrast to your arrangements. Green leaves provide a natural base, while variegated leaves, like those of 'Beacon Silver' or 'Variegatum,' can add a touch of sparkle and dimension.
Shapes and sizes: Lamiastrum leaves come in various shapes and sizes, from the round, scalloped leaves of the classic Yellow Archangel to the more elongated leaves of 'Mont Blanc.' This variety allows you to play with scale and create visual interest in your arrangements.

Flowers:

Yellow, pink, or lavender-pink: The small, two-lipped flowers of Lamiastrum, while not the focal point of most arrangements, can add a delicate touch of color and charm. Yellow Archangel offers classic sunny yellow blooms, while 'Pink Chablis' and 'Florescente Rose' provide lovely pinks.
Spring or summer accents: Depending on the variety, Lamiastrum can bloom from late spring to early summer, making it a versatile choice for arrangements during these seasons.

Tips for using Lamiastrum in floral arrangements:

Cut fresh: Use freshly cut Lamiastrum stems for the best results. Stems can be cut in the morning when the plant is hydrated.
Condition the stems: Trim the stems at an angle and place them in lukewarm water for a few hours before using them in your arrangement.
Combine with other flowers and foliage: Play with color, texture, and height when pairing Lamiastrum with other flowers and foliage. For example, combine its green foliage with vibrant blooms like roses or lilies, or its variegated leaves with soft textures like ferns or baby's breath.
Use as filler or spiller: Lamiastrum's foliage works well as filler to add texture and body to your arrangement. You can also use it as a spiller, cascading over the edges of your container.

Here are some specific ideas for using Lamiastrum in floral arrangements:

A rustic summer bouquet: Combine Lamiastrum's green foliage with sunflowers, daisies, and wheat for a charmingly rustic summer bouquet.
A delicate spring arrangement: Pair Lamiastrum's 'Pink Chablis' blooms with soft pink tulips, white hyacinths, and fern fronds for a delicate spring arrangement.
A shady garden-inspired centerpiece: Create a miniature shade garden feel with Lamiastrum's variegated leaves, hostas, ferns, and a few pops of color from impatiens or begonias.

Remember, Lamiastrum's versatility allows you to experiment and create your own unique floral arrangements. So, have fun exploring and let your creativity bloom!

I hope this information helps you incorporate Lamiastrum into your floral arrangements and enjoy its unique beauty!

Question 16

Is Lamiastrum Invasive?

Accepted Answer

Whether Lamiastrum is considered invasive depends on your location and perspective. Here is a breakdown:

Generally:

Lamiastrum galeobdolon, the only recognized species, is not listed as a federally invasive plant in the United States.
However, it can be invasive in certain regions, particularly in the Pacific Northwest and other areas with similar climates.

Invasive potential:

Lamiastrum spreads rapidly by both stolons (runners) and seeds, readily forming dense mats that can outcompete native plants.
It thrives in shade and moist conditions, making it a threat to undisturbed forest understories and natural areas.
Its dense growth can suppress the regeneration of native trees and shrubs, disrupting natural ecosystems.

Regional considerations:

In the Pacific Northwest, Lamiastrum is listed as a noxious weed in several states. It is considered a serious threat to native biodiversity in these regions.
Outside of the Pacific Northwest, Lamiastrum may still become invasive in specific habitats like undisturbed natural areas.
It is always advisable to check with local authorities or gardening resources to confirm the invasive status of Lamiastrum in your area.

Alternatives:

If you are concerned about the invasive potential of Lamiastrum, consider alternative shade-loving groundcovers.
Native plants in your region are excellent choices, as they support local ecosystems and attract native pollinators.
Other non-invasive groundcovers like Ajuga reptans (Bugleweed) or Vinca minor (Periwinkle) can be good alternatives.

Here are some additional factors to consider:

Cultivar variation: Some Lamiastrum cultivars, like 'Mont Blanc,' are less vigorous and invasive than others.
Planting location: Avoid planting Lamiastrum near natural areas or sensitive habitats.
Containment strategies: If you choose to plant Lamiastrum, use physical barriers like edging to control its spread.

It is important to be responsible when considering plants that may have invasive tendencies. Carefully researching Lamiastrum's invasive potential in your specific area and choosing alternatives, if necessary, will help protect your local ecosystem and ensure responsible gardening practices.

I hope this information clarifies the situation around Lamiastrum and helps you make informed decisions about planting it in your garden.

Question 17

When Is The Best Time To Divide Lamiastrum?

Accepted Answer

The best time to divide Lamiastrum depends on your climate and personal preferences, but there are two main windows that are generally optimal:

Early Spring:

Ideal if you live in a cooler climate: In areas with mild winters and early springs, dividing Lamiastrum in early spring gives the new divisions plenty of time to establish before the heat of summer.
Benefits from cool, moist soil: Early spring tends to offer cooler and more consistently moist soil, which helps the divided plants recover and root more efficiently.
Avoids potential frost damage: Dividing late in spring carries a slight risk of frost damage to the new divisions, especially in colder climates.

Early Fall:

Great in warmer climates: For warmer regions with mild autumns and winters, dividing in early fall can be advantageous.
Warm soil encourages root growth: The warm soil temperatures of early fall can actually stimulate root growth and establishment in newly divided plants.
More established before winter: Dividing early in fall allows the new divisions to become relatively established before winter arrives, giving them a better chance of thriving through the colder months.

Additional factors to consider:

Blooming period: Avoid dividing while your Lamiastrum is in full bloom. Wait until after flowering has finished for less stress on the plant.
Plant health: Choose healthy, mature clumps for division. Weak or diseased plants may struggle to recover from the splitting process.
Weather conditions: Avoid dividing during periods of extreme heat or drought, as this can be stressful for the plants. Choose a day with mild temperatures and good moisture levels.

Ultimately, the best time to divide your Lamiastrum depends on your specific circumstances and goals. Consider your climate, the blooming period, plant health, and weather conditions to determine the most suitable window for division in your garden.

I hope this information helps you choose the optimal time to divide your Lamiastrum and ensure they flourish in your garden!

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Lamiastrum

Lamiastrum g. 'Variegatum' (3.5 inch pot)

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Lamiastrum g. 'Variegatum' (3.5 inch pot)

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