Cyperaceae
Twotipped sedge
Carex lachenalii
Also known as Bicuspidate sedge, Two-tip sedge, Carex bicuspidata, Carex heleonastes var. lachenalii
Zones 3–9Sun Partial SunWater ModerateCare Moderate
Native Plants · Sedge · Alpine · Cold · Hardy · Specialized · Rock · Garden · Cool · Climate · Moisture
Pet-safeAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
Twotipped sedge is a cold-hardy alpine sedge that requires consistent moisture and cool conditions. It prefers partial shade and well-draining but moist soil. This specialized sedge is best suited for rock gardens, alpine collections, or cool climate bog areas.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist, especially during growing season · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 4–4.5
- Temperature
- -40°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 3a-9b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- 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
- Alaska, Alberta, Altay, Austria, Belarus, British Columbia, Colorado, Czechoslovakia, East European Russia, Finland, France, Great Britain, Greenland, Iceland, Idaho, Italy, Japan, Kamchatka, Kazakhstan, Khabarovsk
- Attracts
- Birds
Sources: trefle, usda
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