Pacific Woodrush
Luzula comosa
Last reviewed: June 2026
Luzula comosa (Pacific Woodrush) is a native grass-like perennial found across western North America from Arizona to Washington. This shade-tolerant plant blooms April through June with small brown flower clusters.
Light
part shade
Water
medium
Size
6"–24" H × 4"–12" W
Bloom
Apr, May, Jun
Native to
AZ, CA, CO, ID and 8 more states
Browse plants for this ecoregion
Pacific woodrush is a compact evergreen grass-like perennial that forms neat clumps of dark green foliage. It produces delicate clusters of small brown flowers in spring and maintains an attractive, tidy appearance year-round.
Growing Pacific Woodrush
Grow Pacific Woodrush in part shade and medium water. Mature plants reach 6 to 24 inches tall and spread 4 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Pacific Woodrush is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
This native sedge provides habitat and food for small wildlife and birds, though it is not a major pollinator plant.
Common questions
- Where does Pacific Woodrush grow naturally?
- Luzula comosa is native to 12 western states including Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, South Dakota, Utah, Washington, and Wyoming.
- When does Pacific Woodrush bloom?
- Pacific Woodrush produces its flower clusters from April through June, typically in late spring to early summer.
- What growing conditions does Pacific Woodrush prefer?
- This woodrush thrives in partial shade to full shade with medium moisture levels, making it well-suited for woodland gardens and naturalized areas.
- Is Pacific Woodrush really a grass?
- While Luzula comosa has grass-like appearance, it belongs to the rush family (Juncaceae) rather than the true grass family, distinguished by its three-petaled flowers and different leaf structure.
- Is Pacific Woodrush HOA-friendly?
- Pacific Woodrush is generally an HOA-friendly choice in the right placement, with low maintenance.
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.
Ready to grow Pacific Woodrush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz