Common name: Prairie larkspur
Botanical name: Delphinium carolinianum subsp. virescens
Virtues: Late spring/early summer bloom; elegant mid-height flower stalks.
Flower: Numerous individual flowers appear along a tall flower stem that rises well above the plant’s leaves. Petals are white to pale lavender and sometimes marked with blue or purple splotches.
Habit: Herbaceous perennial. A narrow clump from 1 to 3 feet tall.
Season: Late spring and early summer.
Origin: Prairies and open woodlands from Wisconsin to Arizona and Alabama.
Cultivation: Grow in full sun in moist to dry soil. It will self-sow, but it doesn’t spread aggressively and doesn’t spread by its roots. In hot summer weather the plant may disappear into a dormant state, but it will resume growth in the fall. USDA Zones 4 to 7.
Image courtesy of Dan Tenaglia/Missouriplants.com