UCCE Master Gardeners of Orange County
University of California
UCCE Master Gardeners of Orange County


Perennial- California Gray Rush

California Gray Rush
Common Name: California Grey Rush

Botanical Name: Juncus patens

Family: Juncaceae

Description: Perennial native to California and Oregon

Sun: Full sun to light shade

Water requirements: Ample water

Soil requirements: Moist soil

Habit and form: Resembles grass with cylindrical grass-like leaves. The stems are upright in greenish-gray colors; grows to 2 feet round.

Flower type: Inconspicuous clusters near tip of stems

Flower color and season of bloom: Brownish; blooms in summer

Pruning time and method: Will die back in colder areas and look shabby in warmer winter areas. Prune in winter; may cut all the way to ground if needed

Maintenance tips:  Experts recommend planting at edge of stream or pond

Comments: Tolerates some heat and drought but is considered a wetland plant


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