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Blue Vervain

Plant Type: Herbaceous
Habitat: Wetland
Light Requirements: sun, part sun
Soil Moisture: mesic, wet
Soil Type: All
Height: 2 - 4 ft
Bloom Time: Summer- fall
Flower Colour: blue-violet multi- branched spikes
Germination: Seed will germinate upon being shifted to 70°F after 90 - 140 days of moist, cold stratification at 40°F. Seed requires light to germinate.
Picture Copyright: Jennifer Anderson @ USDA-NRCS PLANTS Database