Livermore Stickseed

Hackelia pinetorum

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Hackelia
Species:
Hackelia pinetorum
USDA Symbol:
HAPI2

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
blue, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in pine forests and open woodlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days

The above propagation data sourced from Claude AI