Soil: Xeric (Dry)
Sun: Full Sun
Height: 2-3 feet
Bloom Color: Light pink – lavender
Bloom Season: June – September
Suggested Uses: While Blue Vervain grows best in wet areas and soil with some moisture, Hoary Vervain prefers dry sandy and gravelly soils. Native to upland prairies, this wildflower is a very useful plant for upland shoreline and prairie restoration projects. It thrives in poor soils, reseeds readily and can be aggressive without adequate competition. It is an early successional species. It is sometimes confused with mints due to its square stem but it is in the Verbenaceae family. It is beautifully showy! Deer resistant.
Native Range: Native to much of the contiguous U.S. but most common in the Midwest. Native to central and southern Minnesota.
Pollinators: Bees, butterflies, moths and hummingbirds. Host plant for a few species of moth and butterfly caterpillars.
Flowers: The flower head is a long thin spike of tube-like flowers. There are several spikes per plant. The flowers are about 1/8″ wide, with 5 petals, 4 stamens and 1 pistil.
Leaves: The stalkless oval leaves are thick and hairy.
More information: USDA plant profile