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Blue Dicks

Dipterostemon capitatus · Asparagaceae

Form
Perennial
Height
1–2 ft
Sun
Full Sun
Water
Very Low
Blooms
Feb, Mar, Apr, May
Habitat
Grassland · Coastal Sage Scrub · Chaparral · Oak Woodland

🌿 California native

Quick facts

  • Habitat: Grassland, open scrub, oak woodland edges
  • Form / size: Bulb/corm perennial, 1–2 ft
  • Sun: Full sun to part shade · Water (established): Very low
  • Blooms: Late winter–spring · Pollinator value: Moderate

Description

A spring geophyte with grasslike leaves and rounded clusters of blue-purple tubular flowers held on slender stems. It appears with winter rains, blooms, sets seed, and then vanishes underground for the dry season.

Wildlife & pollinators

Visited by native bees and butterflies during the spring bloom pulse.

Habitat & range

Open grasslands, coastal sage scrub, chaparral clearings, and oak woodland edges across much of California.

In the garden

Great tucked between bunchgrasses and dry shrubs where summer dormancy will not be mistaken for death. Let foliage dry naturally after bloom.

Propagation

From seed or by offsets from mature corms. Seed-grown plants take patience before they flower.

Where to see it near you

Problems

Easy to lose under aggressive weeds or heavy mulch. Needs winter light and a dry summer rest.

Sources

Commonly confused with

🌿 Wild onion / brodiaea relatives all have similar spring bulbs; blue dicks has rounded clusters of blue-purple flowers.
🌿 Non-native grape hyacinth garden escape with denser, more bottlebrush-like flower spikes.