Juncus inflexus, the hard rush or blue rush, is a tufted perennial rush of wet ground that forms clumps of stiff, glaucous, wiry stems. It thrives in constantly moist or boggy soil and tolerates occasional trampling and mowing.
Family
Juncaceae (Junc family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil wet or waterlogged; it can stand in shallow water.
Soil
Heavy, base-rich or neutral clay or loam that stays wet.
Temperature
Hardy to cold winters, roughly -15 °C; tolerates a wide range of temperate conditions.
How easy
Easy
Native range
Macaronesia to Temp. Eurasia, Africa
Climate
temperate
About
Juncus inflexus, the hard rush, is a species of flowering plant in the family Juncaceae, native to Europe, Asia and Africa, and introduced in Sri Lanka, Java, Île Amsterdam and Île Saint-Paul, Victoria in Australia, New Zealand, Uruguay, and eastern North America. It is a glycophyte (non-halophyte).
Where it grows
Generally common in England and Wales, but rarer in Scotland. It grows in open wet places such as springs, marshes, wet pastures, and damp meadows as well as by rivers, ponds, and lakes. It prefers heavy base-rich or neutral soils consolidated by trampling.
Text excerpted from the Wikipedia article Juncus inflexus 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.