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Purple Needlegrass

Stipa pulchra · Poaceae

Form
Grass
Height
1–3 ft
Sun
Full Sun
Water
Very Low
Habitat
Grassland

🌿 California native

Quick facts

  • Habitat: Grassland, open slopes, oak savanna
  • Form / size: Bunchgrass, 1–3 ft
  • Sun: Full sun · Water (established): Very low
  • Status: California’s official state grass

Description

A graceful native bunchgrass and the state grass of California. It forms a tidy clump and sends up airy flowering stems carrying seeds with long, bent awns that take on a purple cast before drying golden. Once dominant across California’s grasslands (now largely displaced by invasive annual grasses), with very deep roots that let it survive drought and outlast disturbance.

Habitat & range

Native grasslands, open slopes, and oak savanna; a remnant of the bunchgrass prairie that once covered much of the state.

In the garden

A fine-textured, deep-rooted grass for meadows, slopes, and restoration. Full sun, very low water; cut back in summer dormancy. Reseeds modestly.

Propagation

From seed (sow in fall) and by division.

Where to see it near you

Problems

Trouble-free; the awned seeds can catch in pet fur/socks.

Sources

Commonly confused with

🌿 Non-native annual grasses needlegrass is a perennial bunch with distinctive long bent awns; the annuals die back to straw each year and lack the persistent clump.
🌿 Other needlegrasses similar; purple needlegrass is the common cismontane one with a purplish awn flush.