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Zizia aptera
A short-lived perennial with glossy heart-shaped basal leaves and flat-topped clusters of tiny bright-yellow flowers in late spring. Host plant for the Black Swallowtail butterfly caterpillar. Native to Alberta prairies, moist meadows, and open woodlands. Tolerates clay, rocky soils, and alkaline pH.
Quick Facts
Distribution
Prairie, Parkland, Zone 3
Light
Full sun to part shade
Bloom Time
May–June
Soil
Clay loam, rocky, or gravelly; tolerates alkaline pH
Water
Moist to dry
Pet Safe— Generally considered safe around pets.
Growing & Cultivation
Propagation
Seed (requires cold moist stratification to break dormancy) or division of mature clumps
Spacing
30–60 cm
