Cyperaceae
Bottle sedge
Carex rostrata
Also known as Inflated sedge, Carex rostrata var. maxima, Carex rostrata var. longipalea, Trasus ampullaceus
Zones 4–10Sun Partial SunWater ModerateCare Moderate
Native Plants · Sedge · Wetland · Bog · Rain-Garden · Moisture-Loving · Perennial · Shade · Water-Feature
Pet-safeAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
Bottle sedge prefers consistently wet to boggy conditions and partial shade. This wetland perennial is excellent for rain gardens, pond margins, or naturally wet areas. Requires regular moisture and may struggle in dry conditions.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist to wet · 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-10b
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Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 2 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Albania, Alberta, Altay, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Central European Rus, Czechoslovakia, Denmark, East European Russia, Finland, France, FøRoyar, Germany, Great Britain, Greece
- Attracts
- Birds
Sources: trefle, usda
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