Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Brassicaceae

Genus:

Streptanthus

Species:

Streptanthus oliganthus

USDA Symbol:

STOL

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

white, purple

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

butterflies

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to serpentine soils

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds germinate after cold stratification; sow in fall or stratify for 4-8 weeks.