Blue Vervain is edible and medicinal. Vervain had many uses in Native American culture as food and medicine. The seed are edible when roasted and are ground into a powder and used as a piñole (an Indian flour). 

The leaves and roots of Blue Vervain are a valuable alternative medicine. It is useful in intermittent fevers, ulcers, pleurisy, scrofula, gravel, easing pain in the bowels and expelling worms. A very strong infusion is emetic. As a medicinal poultice it is good in headache and rheumatism. An infusion of the plant is a good galactagogue (increases breast milk) and used for female obstructions, afterpains and taken as a female tonic. 

Disclaimer:
The information presented herein by Genesis 1 Nutrition is intended for educational purposes only and is not a substitute for professional medical advice. These statements have not been evaluated by the FDA and are not intended to diagnose, cure, treat or prevent a medical or health condition. Before using any supplements, it is always advisable to consult with your own health care provider. Individual results may vary. If you have or suspect you have a medical problem, promptly contact your professional health care provider.