Juncus effusus is a clump-forming perennial rush of wet ground, growing up to about 1.2 m tall with smooth cylindrical stems. It thrives in constantly moist soil or shallow water, making it useful in ponds, bog gardens and damp borders.
Family
Juncaceae (Junc family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil constantly wet or stand the pot in a saucer of water.
Soil
Heavy, moisture-retentive soil, loam or peat-rich mix.
Temperature
Hardy in cold climates; tolerates winter frost in the ground.
How easy
Easy
Native range
Temp. Northern Hemisphere to W. South America, Rwanda to S. Africa, W. Indian Oc
Climate
temperate
About
Juncus effusus is a perennial herbaceous flowering plant species in the rush family Juncaceae, with the common names common rush or soft rush.
Safety
Juncusol is a 9,10-dihydrophenanthrene found in J. effusus, which also contains effusol.
Where it grows
Juncus effusus has a wide distribution, considered native in Europe, Asia, Africa, Madagascar, North America, and South America. It has naturalized in Australia, New Zealand, South Africa and various oceanic islands.
Text excerpted from the Wikipedia article Juncus effusus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.