Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Boraginaceae

Genus:

Amsinckia

Species:

Amsinckia douglasiana

USDA Symbol:

AMDO

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

80 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

mar,apr,may

Bloom Colors:

yellow, orange

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

bees

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 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 — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification for 30-60 days to break dormancy.