Verbenaceae
Blue Vervain
Verbena hastata
✓ Generally Safe
Avoid in Pregnancy
Native to: North America
Also known as: American Blue Vervain, Swamp Verbena, Wild Hyssop
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Parts Used
LeafFlower
Therapeutic Uses
Nervous tension with rigidity (especially in neck and shoulders), anxiety with physical tension, insomnia in over-thinkers, fever management, respiratory catarrh, liver congestion. North American counterpart to European vervain.
Herbal Actions
Nervine tonic, antispasmodic, bitter tonic, diaphoretic, expectorant, mild sedative
Active Constituents
Iridoid glycosides (verbenalin, hastatoside), flavonoids, tannins, alkaloids (similar to European vervain)
Preparation Methods
🏺 Tincture☕ Herbal Tea
Traditional Preparation Notes
| Herbal Tea | 1–2 tsp dried herb per 250ml, steep 10 min, 3x daily — very bitter |
| Tincture | 2–3 ml (1:5, 25% ethanol), 3x daily |
| Notes | Intensely bitter — tincture often preferred. Very small doses (5–10 drops) can work for some people. Best as fresh plant tincture. Particularly suited to 'tension type A' individuals — rigid, over-achieving, anxious. |
Safety Information
Safety Rating
✓ Generally Safe
Pregnancy
Avoid in Pregnancy
Drug Interactions
None known
Contraindications: Avoid in pregnancy (emmenagogue). High doses may cause vomiting (very bitter). No significant drug interactions known.
Side Effects: Nausea and vomiting at high doses (strong bitter). Generally safe at appropriate doses.