Cyperaceae
Eleocharis mamillata
Eleocharis mamillata
Also known as Scirpus palustris var. mamillatus, Eleocharis palustris subsp. mamillata, Scirpus mamillatus
Zones 3–9Sun Full SunWater ModerateCare Moderate
Native Plants · Sedge · Wetland · Bog Garden · Spike Rush · Water Plant · Perennial · Moist Soil · Pond Margin
Pet-safeAttracts pollinators
Currently out of stock everywhereStock updated 9/6/2026
This spike rush requires consistently moist to wet soil conditions and thrives near water features or bog gardens. Plant in full sun to partial shade and ensure the soil never dries out completely. Ideal for pond margins, rain gardens, or wetland restoration projects.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Maintain wet to moist soil conditions at all times · Keep consistently moist
- Maintenance
- Moderate
- Soil
- peat
- Soil pH
- 5.5–6.5
- Temperature
- -40°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 3a-9b
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Form & growth
Mature size and habit
- Mature height
- 6 in – 3 ft
- Spread
- 18 in
- Spacing
- 4 in apart
- Growth rate
- Moderate
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, Altay, Amur, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, Central European Rus, Chita, Czechoslovakia, East European Russia, Finland, France, Germany, Great Britain, Hungary
- Attracts
- Birds
Sources: trefle, usda
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