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Erosion Control

Plants that root on slopes can absorb wind and water that erode topsoil.

When selecting plants for erosion control or slope stabilization be sure to consider soil depth and drainage. Areas where erosion control is an issue, soil is usually lacking microorganisms and nutrients or suffering from compaction. Applying compost as mulch can be used as an erosion control material that also enhances soil.

When tilled into the surface, compost modifies the physical soil properties, improving water-holding ability and resistance to compaction. The microorganisms in compost aid in the formation of soil aggregates, the building blocks of good soil structure. Spaces in the aggregates allow water to percolate the soil and air to reach plant roots. When soil particles aggregate together, they are less likely to erode during rainstorms.

In clay soils, compost reduces the bulk density and increases the porosity, thus improving the exchange of air and water through the soil. In sandy soils, compost increases the water-holding capacity and soil aggregation.

  • If you cannot amend the soil of the entire slope, amend it a hole at a time.
  • Fast growing species that have spreading root systems will “hold” the soil in place quicker.

Ornamental grasses offer a variety of design ideas and options to planting a slope. Recommended ground covers for erosion control includes: Ajuga (sun & shade), Ceratostigma plumbaginoides (Sun or light shade), Chrysogonum virginianum (light shade), Convallari majallisa (shade), Dianthus gratianopolitanus (sun), Dryopteris erythrosora (Part sun to full shade), Epimedium (Sun or light shade), Euonymus (sun & shade), Hedera (sun & shade), Hypericum (sun or light shade), Lamiastrum (sun & shade), Lantana (sun), Liriope muscari (sun & shade), Liriope spicata (sun & shade), Mazus (sun), Ophipogon japonicus (sun & shade), Pachysandra (shade), Phlox subulata (sun), Rubus (sun), Santolina chamaecyparissus (sun), Trachelospermum jasminoides (sun & shade), Vinca major (sun & shade):

  • Ophiopogon p. 'Arabicus' (3.5 inch pot)

    Ophiopogon p. 'Arabicus' (3.5 inch pot)

    Ophiopogon p. 'Arabicus'aka 'Ebony Knight' and 'Nigrescens'Common Name: mondo grassType: Herbaceous perennialFamily: AsparagaceaeZone: 6 to 9Height: 0.75 to 1.00 feetSpread: 0.75 to 1.00 feetBloom Time: July to AugustBloom Description: PinkSun: Full sun...

    $9.34
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  • Ophiopogon japonicus 'Nana'

    Ophiopogon japonicus 'Nana' (3.25 inch pot)

    Ophiopogon japonicus 'Nana' dwarf mondo grass, dwarf lily turf, snakebeard Zones 6 to 10; Filtered sun or deep shade. Mature size 2 to 3 inches height, forms a dense grass-like groundcover. Dark green, very fine, grass-like leaves emerge in clumps from...

    $3.82
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  • Ophiopogon japonicus 'Nana'

    Ophiopogon japonicus 'Nana' (bare root plant)

    Ophiopogon japonicus 'Nana' dwarf mondo grass, dwarf lily turf, snakebeard Zones 6 to 10; Filtered sun or deep shade. Mature size 2 to 3 inches height, forms a dense grass-like groundcover. Dark green, very fine, grass-like leaves emerge in clumps from...

    $1.46
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  • Ophiopogon japonicus 'Nana'

    Ophiopogon japonicus 'Nana' (2.5 inch pot)

    Ophiopogon japonicus 'Nana' dwarf mondo grass, dwarf lily turf, snakebeard Zones 6 to 10; Filtered sun or deep shade. Mature size 2 to 3 inches height, forms a dense grass-like groundcover. Dark green, very fine, grass-like leaves emerge in clumps from...

    $2.49
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  • Ophiopogon japonicus

    Ophiopogon japonicus (bare root plant)

    Ophiopogon japonicus 'Mondo Grass' a/k/a mondo grass, dwarf lily turf, snakebeard Zones 7 to 10; Filtered sun or deep shade. Mature size 6 to 12 inches height, forms a dense grass-like groundcover. Dark green, grass-like leaves emerge in clumps from a...

    $1.46
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  • Ophiopogon japonicus

    Ophiopogon japonicus (3.5 inch pot)

    Ophiopogon japonicus 'Mondo Grass' a/k/a mondo grass, dwarf lily turf, snakebeard Zones 7 to 10; Filtered sun or deep shade. Mature size 6 to 12 inches height, forms a dense grass-like groundcover. Dark green, grass-like leaves emerge in clumps from a...

    $3.58
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  • Ophiopogon japonicus

    Ophiopogon japonicus (2.5 inch pot)

    Ophiopogon japonicus 'Mondo Grass' a/k/a mondo grass, dwarf lily turf, snakebeard Zones 7 to 10; Filtered sun or deep shade. Mature size 6 to 12 inches height, forms a dense grass-like groundcover. Dark green, grass-like leaves emerge in clumps from a...

    $2.37
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  • Ophiopogon planiscapus 'Niger'

    Ophiopogon planiscapus 'Niger' (30)ct Flat

    Ophiopogon planiscapus 'Niger' (30) Flat a/k/a: Black mondo grass, black lilyturf, snakebeard;f/k/a O. nigrescens 'Black Dragon'. Zones 5 to 9; may need a protected location in Zone 5 and 6A. Full sun to partial shade, part shade is probably the best to...

    $220.12
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