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Plants We Love: Prairie Larkspur

Prairie larkspur (Delphinium carolinianum subsp. virescens) is a tall wildflower that blooms in late spring and early summer.
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Common name: Prairie larkspur

Prairie Larkspur (Delphinium carolinianum subsp. virescens)

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.

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Image courtesy of Dan Tenaglia/