Cyperaceae
Flea sedge
Carex pulicaris
Also known as Carex pulicaris, Flea-seed sedge, Sedge flea, Psyllophora puliciformis
Zones 3–9Sun Partial SunWater ModerateCare Moderate
Native Plants · Sedge · Bog Plant · Wetland · Grasslike · Perennial · Native · Pond Edge · Shade Tolerant · Cyperaceae
Pet-safeAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
Flea sedge thrives in moist to wet, acidic soils in a sunny to partly shaded position, making it ideal for bog gardens or pond margins. Keep the soil consistently damp and avoid letting it dry out between waterings. It is a low-maintenance plant once established in the right conditions.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist; do not allow to dry out completely · Every 5-7 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5–5.5
- Temperature
- -35°F to 85°F
- Cycle
- Perennial
- Propagation
- Division
Hardiness
USDA 3b-9b
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Form & growth
Mature size and habit
- Mature height
- 6 in – 18 in
- Spread
- 12 in
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Austria, Baltic States, Belgium, Czechoslovakia, Denmark, Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Northwest European R, Norway, Poland, Spain, Sweden, Switzerland
- Attracts
- Birds
Sources: trefle, usda
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