Cyperaceae
Claybank beaksedge
Rhynchospora rugosa
Also known as Rhynchospora recognita, beaksedge, white beaksedge, Rhynchospora glauca
Zones 4–9Sun Partial SunWater ModerateCare Moderate
Tropical Plants · Native Plants · Beaksedge · Wetland · Tropical · Specialist · Bog-Plant · Rare · Moisture-Loving · Shade-Tolerant
Pet-safeTropicalAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
This specialized beaksedge requires consistent moisture and partial shade in warm climates. Best suited for wetland restoration or specialized bog gardens. Needs protection from cold temperatures and benefits from organic-rich, acidic soil.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist but well-draining · 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
- 8 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Argentina Northeast, Argentina Northwest, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Caroline Is., Chile Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, French Guiana, GaláPagos, Guatemala, Guyana
- Attracts
- Birds
Sources: trefle, usda
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