Sporobolus virginicus (Seashore dropseed)

Other names: Marine couch, Sand couch, Saltwater couch, Coastal rat-tail grass, Nioaka, Salt couch grass, Coastal dropseed, Beach dropseed, Seashore rushgrass

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Where to grow

Soil type
  • Sandy
Soil drainage
  • Moist but well-drained
  • Boggy damp conditions
  • Moisture-retentive
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Grow in sandy, moist but well-drained to wet soil in full sun. Easily tolerates flooding and salinity. Excellent for use as a marsh or dune stabiliser. Tolerates short periods of drought once established. Quickly forms large colonies.

Suggested uses

Banks and Slopes, Ground Cover, Coastal, Sub-Tropical, Drought Tolerant, Low Maintenance, Waterside, Bog garden

UK hardiness

USDA zones

Zone 8, Zone 9, Zone 10, Zone 11

Sunset zone

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Evergreen

Habit

Spreading, Clump-forming

Native to

Australia, Central America, Mexico, Southern United States, Southern Asia, Southeastern Asia, Southern Africa, Northern South America, Pacific Islands, Caribbean, Western Africa

Drought tolerant

Yes

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Cut back dead foliage and spent flower stems in spring.

Propagation methods

Seed, Division

Propagation

Typically produces very little viable seed. Sow seed in situ in spring.

Pests

Generally pest free.

Diseases

Generally disease free.

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