Poaceae
Swamp ricegrass
Leersia hexandra
Also known as Water ricegrass, Oryzopsis, Bog ricegrass, Oryza hexandra
Zones 4–9Sun Partial SunWater ModerateCare Moderate
Tropical Plants · Native Plants · Wetland · Swamp · Ricegrass · Bog · Aquatic · Erosion Control · Wildlife Habitat · Marsh · Pond Margin
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Currently out of stock everywhereStock updated 9/6/2026
Swamp ricegrass is a wetland species that requires consistently moist to wet soil conditions. It performs best in boggy areas, pond margins, or rain gardens where water naturally collects. This grass is excellent for erosion control in wet areas and provides habitat for waterfowl.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep consistently moist to wet, as this is a wetland species · Every 5-7 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5.5–7.5
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-9b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 2.5 ft
- Spread
- 18 in
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Algeria, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Arkansas, Assam, Bangladesh, Belize, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Burundi
- Attracts
- Birds
Sources: trefle, usda
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