Twoflowered Rush
Juncus biglumis
Last reviewed: June 2026

Light
full sun
Water
medium
Size
2"–8" H × 1"–4" W
Bloom
Jun, Jul, Aug
Native to
CO, MT, NM, WY
Twoflowered rush is a compact alpine perennial that forms small, neat clumps of grass-like foliage. This diminutive rush produces tiny flowers during summer months and maintains a tidy, low-growing habit perfect for rock gardens or alpine plantings.
In an HOA neighborhood
Twoflowered Rush takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Extremely small size makes it nearly invisible in typical landscapes
- Alpine nature means it may not thrive in typical yard conditions
- Grass-like appearance could be mistaken for weeds
Wildlife value
As a native rush species, it provides habitat and nesting material for small birds and beneficial insects. The seeds may attract finches and other small seed-eating birds.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Twoflowered Rush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.