Growth habit: Rhizomatous spreading perennial
Height: 20 - 45 cm
Spread: up to 1 m
Bloom Time: May - June
Bloom Colour: Bright yellow
Light: Full sun
Moisture: Average to dry
Soil: Average garden soil
Seeding: Scarify and soak before sowing. See the Plant Info page for more detailed information on growing from seed.
Landscape uses: This perennial is a wonderful patch of sunshine in the spring. Typical pea-shaped yellow flowers, followed by narrow curved pods which contain tiny kidney-shaped beans. These plants will quickly expand into a large patch if not contained.
Interesting features: Rare in the Edmonton area, but very common - even invasive - further south. Beans and pods are poisonous.
Natural habitat: Prefers well-drained sandy or gravelly slopes and dry grasslands.
Ecology: Nectar resource for pollinating insects and butterflies. May be a larval host plant for some butterfly species.