Bluedicks

Dipterostemon capitatus

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asparagaceae
Genus:
Dipterostemon
Species:
Dipterostemon capitatus
USDA Symbol:
DICA14

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar,apr,may,jun
Bloom Colors:
blue, purple, violet, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Butterflies:Painted Lady (Vanessa cardui), Pale Swallowtail (Papilio eurymedon)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Native to California grasslands and chaparral; resprouts from corms after fire and may increase in abundance post-burn.

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds require cold stratification and germinate best at cool temperatures around 50-55°F. Plant corms in fall for spring bloom.

The above propagation data sourced from Claude AI

Pre-treatment: Soak seeds in fresh water overnight. Cold stratify for 3 months or longer; until seeds begin to germinate.

Establishment: Seeds are collected between April 1st and September 1st. After collection, sow fresh seed immediately or dry for 2 weeks and soak and stratify. D. capitatum is found on plains and hillsides, from Douglas County, Oregon to lower California, and east to southern Utah and northern Arizona.

Source: npn.rngr.net