| Blue Vervain |
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Verbena hastata
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| Uses: Medicinal |
Duration: Perennial (hardy in zones 3-9) |
| When to Sow: Spring/Late Summer/Early Fall |
Ease of Germination: Moderate/Special Treatment Required |
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Native North American wildflower growing in damp areas. Has a tranquilizing effect; useful for insomnia and other nervous conditions. Needs cold period (5°C/40°F; 4-8 weeks) followed by warm (20°C/70°F) and exposure to light (do not bury seeds) for successful germination.
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