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Cyperaceae
Cyperus flavescens
Cyperus flavescens
Also known as Cyperus gussonei, Cyperus flavescens var. paraensis, Cyperus obtusiusculus, Cyperus flavescens f. major
Zones 5–11Sun Full SunWater ModerateCare Moderate
Tropical Plants · Native Plants · Sedge · Wetland · Bog · Water · Garden · Moisture · Loving · Tropical · Ornamental
Pet-safeTropicalAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
Yellow flat sedge prefers consistently moist conditions and full sun exposure. This warm-climate sedge works well in bog gardens or water features where soil stays damp. Regular watering is essential for healthy growth.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Keep soil consistently moist but not waterlogged · Every 5-7 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5–7
- Temperature
- -10°F to 100°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-11b
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Form & growth
Mature size and habit
- Mature height
- 8 in – 2.5 ft
- Spread
- 12 in
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alabama, Albania, Algeria, Angola, Arkansas, Austria, Azores, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bolivia, Botswana, Brazil North, Brazil South, Bulgaria
- Attracts
- Birds
Sources: trefle, usda
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