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Thread rush

Juncus filiformis

Also called Lakeside Rush, High Mountain Rush

Thread rush
Photo: Johann Georg Sturm (Painter: Jacob Sturm), Public domain

Thread rush is a hardy perennial grass-like rush that grows in wet ground at the edges of lakes and streams. It needs consistently moist to wet soil and cool conditions.

Family
Juncaceae (Junc family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil constantly moist or standing in shallow water.
Soil
Wet, heavy or peaty soil, or boggy mud.
Temperature
Hardy in cool temperate climates; tolerates cold winters, but may struggle in prolonged heat.
How easy
Easy
Native range
Temp. Northern Hemisphere
Climate
temperate

About

Juncus filiformis, called the thread rush, is a species of flowering plant in the genus Juncus, with a circumboreal distribution. It has been introduced to South Georgia Island. It is typically found in wetlands, on the borders of lakes and streams.

Other Juncus plants

Dwarf Rush · Spiny rush · Arctic rush · Jointleaf rush · Mexican Rush · Baltic Rush · Toad rush · Bulbous rush · Canadian rush · Dudley's rush · Common rush · Swordleaf rush

Text excerpted from the Wikipedia article Juncus filiformis 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.

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