Imagine More Perennials Than You Can Imagine, Delivered To You - Free

Shop by Category

Stokesia

Stokesia, also known as Stokes' aster, is a captivating perennial wildflower that brings a touch of Southern charm to any garden. With its vibrant, cornflower-like blooms and feathery foliage, Stokesia is a true standout in the landscape.

What Makes Stokesia So Special? Stokesia (Stokesia laevis) is a monotypic genus, meaning it has only one species. This makes it a bit of a botanical rarity, adding to its allure. The plant is named after Jonathan Stokes, an English physician and botanist. Native to the southeastern United States, Stokesia is a true Southern belle, gracing gardens with its beauty and resilience. It is one of the most attractive late-flowering perennials, bringing vibrant color to the garden when many other plants are fading. Stokesia readily self-sows and adapts to many conditions, making it a relatively low-maintenance choice for gardeners.

Distinctive Features Stokesia boasts several distinctive features that set it apart from other garden flowers:

  • Showy Flowers: The blooms of Stokesia are their most captivating feature. Resembling cornflowers, they come in shades of blue, purple, and white, with fringed petals surrounding a fluffy center. Each flower head is composed of many tubular disk florets surrounded by deeply lobed ray florets. These eye-catching flowers can reach up to 4 inches in diameter, adding a bold splash of color to the landscape.
  • Attractive Foliage: Stokesia's foliage is just as appealing as its flowers. The plant forms a basal rosette of lance-shaped, dark green leaves that provide a lush backdrop for the blooms. In warmer climates, the foliage remains evergreen, adding year-round interest to the garden.
  • Cut Flowers: Stokesia makes excellent cut flowers that can last for a week or more in a vase.
  • Pollinator Magnet: Stokesia is a favorite among pollinators, attracting bees, butterflies, and hummingbirds with its nectar-rich flowers. This makes it an excellent addition to pollinator gardens and butterfly gardens.
  • Adaptable and Low-Maintenance: Stokesia is a remarkably adaptable plant, tolerating a range of soil and moisture conditions. It is also relatively low-maintenance, requiring minimal care once established.
  • Deer and Rabbit Resistant: Gardeners often struggle with deer and rabbits nibbling on their prized plants. Fortunately, Stokesia is resistant to these annoying critters, making it a worry-free addition to the landscape.

Stokesia Cultivars

Cultivar

Flower Color

Height

Other Notable Features

'Honeysong Purple'

Vivid royal-purple

1 foot

Compact variety, large flowers with contrasting white stamens

'Mary Gregory'

Clear white

12-18 inches

Large flowers with a golden center

'Peachie's Pick'

Lavender-blue

N/A

Exceptionally long and prolific blooming period

'Yellow Mountain'

Bright yellow

18-24 inches

Unique yellow color with a dark brown center

Native Habitat Stokesia is native to the southeastern United States, where it thrives in a variety of moist environments. Its natural habitats include:

  • Wetlands
  • Bottomlands
  • Wet pinewoods
  • Savannas
  • Ditches along the coastal plain

While Stokesia prefers moist, well-drained soil, it can tolerate some drought and occasional wet conditions, as long as the soil does not become waterlogged. This adaptability makes it a versatile plant for various garden settings. It is important to note that Stokesia is not salt tolerant, so it may not be suitable for gardens in coastal regions with salty soil or spray.

Landscaping Design Tips Stokesia's versatility and beauty make it a welcome addition to any garden. Here are some design tips to help you incorporate this Southern charmer into your landscape:

  • Borders and Edges: Stokesia's compact growth habit makes it ideal for lining walkways, driveways, or garden beds.
  • Mass Plantings: Create a stunning visual impact by planting Stokesia in groups of three or more. This works especially well with cultivars of the same color for a bold statement.
  • Cottage Gardens: Its informal charm makes it a perfect fit for cottage gardens, where it can mingle with other flowering perennials like coneflowers (Echinacea), salvias, and coreopsis.
  • Pollinator Gardens: Stokesia attracts bees and butterflies, so include it in pollinator-friendly gardens alongside other nectar-rich plants like Monarda (bee balm) and Buddleja (butterfly bush).
  • Mixed Borders: Combine Stokesia with plants that have contrasting foliage or flower forms for added interest. Ornamental grasses, ferns, and spiky plants like yucca or agaves provide excellent contrast.
  • Container Gardens: Dwarf cultivars of Stokesia thrive in containers, allowing you to enjoy their beauty on patios, balconies, or decks.

When designing with Stokesia, consider color and texture combinations. Complementary colors (opposite on the color wheel) create a vibrant display, while analogous colors (adjacent on the color wheel) offer a more harmonious look. For example, the blue flowers of 'Bluestone' Stokesia pair beautifully with the yellow blooms of Lanceleaf Coreopsis (Coreopsis lanceolata) or the fiery red of Cardinal Flower (Lobelia cardinalis).

Planting and Care Stokesia is relatively easy to grow, but following these planting and care instructions will help ensure its success in your garden:

Planting

  • Timing: Spring or fall is the best time to plant Stokesia.
  • Location: Choose a spot with full sun (at least 6 hours daily). In hotter climates, a little afternoon shade can be helpful.
  • Soil: Ensure the soil is well-drained, fertile, and slightly acidic, with a pH of 5.2 to 6.7. Amend heavy clay soil with compost or other organic matter to improve drainage.
  • Spacing: Space plants about 18-24 inches apart. This gives them room to grow and fill in without becoming overcrowded.
  • Seed Preparation: If starting from seed, pre-soak seeds overnight before planting to improve germination rates.

Care

  • Watering: Water regularly after planting to help establish the roots. Once established, Stokesia is moderately drought-tolerant.
  • Fertilizing: A light application of balanced fertilizer in spring is usually sufficient.
  • Deadheading: Remove faded flowers to encourage more blooms and prevent self-seeding.
  • Dividing: Every 3-4 years, divide the clumps in spring or fall to maintain plant vigor.
  • Troubleshooting:
    • Overwatering: If you suspect overwatering, check the soil moisture. If it is consistently soggy, improve drainage by amending the soil with organic matter or consider relocating the plant to a better-drained area.
    • Underwatering: If the leaves appear wilted or the soil is dry, water deeply and consistently until the plant recovers.

Propagation Stokesia can be propagated through various methods:

  • Seed: Sow seeds in a cold frame in late winter, transplanting after the last frost.
  • Root Cuttings: Take cuttings of long, thick roots in the fall.
  • Division: Divide clumps in the spring or fall.

Other Insights for Gardeners Here are some additional insights that will help you get the most out of your Stokesia:

  • Pests and Diseases: Stokesia is generally pest and disease resistant. However, watch out for occasional problems like powdery mildew or leaf spot, especially during humid conditions. These can be treated with an appropriate fungicide if necessary. To prevent crown and root rot, avoid overwatering and ensure good soil drainage.
  • Flopping: The flower stems of Stokesia can sometimes flop, especially after a heavy rain. To prevent this, provide support with stakes or grow them in a more sheltered location.
  • Cut Flowers: Stokesia makes excellent cut flowers, lasting for a week or more in a vase.
  • Winter Care: In colder climates, cut stems back to the basal foliage and cover plants with a thick layer of mulch in late fall to protect them from sub-zero temperatures and freeze and thaw cycles. Do not water the plant during dormancy, as wet soil in the winter can be detrimental.

Historical Use Interestingly, Stokesia has a history of medicinal use by Native Americans. While the specific details of its traditional uses are not available in the provided research material, further investigation reveals that the Cherokee used Stokesia as a remedy for various ailments, including headaches and gastrointestinal issues. This historical connection adds another layer of intrigue to this already fascinating plant.

Stokesia is a true gem in the garden, offering beauty, resilience, and pollinator benefits. With its unique "exotic look," vibrant colors, and long blooming season, Stokesia is a standout in any landscape. It is a remarkably adaptable plant, thriving in a variety of conditions and even tolerating drought, making it a good choice for xeriscape gardens. Furthermore, Stokesia is winter hardy to Zone 5, expanding its potential growing area for many gardeners. By following the planting and care guidelines outlined in this guide, you can successfully cultivate this Southern charmer and enjoy its captivating blooms for years to come. Whether you are a seasoned gardener or just starting out, Stokesia is a rewarding plant that will bring joy to your landscape.