Spreading Rush
Juncus patens
Last reviewed: June 2026
Spreading Rush (Juncus patens) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–36" H × 12"–24" W
Bloom
Apr, May, Jun
Native to
CA, OR, WA
Pollinators
bees, beetles
Browse plants for this ecoregion
Spreading rush is an attractive, clumping perennial with blue-gray upright stems that create a distinctive architectural form. It grows 1-3 feet tall and maintains its structure year-round, providing visual interest in both modern and naturalistic garden designs.
In an HOA neighborhood
Spreading Rush is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone, backyard only.
- May require periodic grooming to remove brown tips
Wildlife value
This rush provides habitat for beneficial insects including bees and beetles. The dense clumps also offer shelter for small wildlife and nesting materials for 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 Spreading Rush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.