"The seeds of Blue Vervain were collected by some Native Americans , roasted and ground into a flour or meal. Central California Miwoks used the seed meal as an extensive food source. A tea made from the leaves was used as a remedy for stomach aches by northern plains Indians. The tops of this plant persist through the hard northern winter months and provide a limited amount of food to birds.

Edible Uses: A tea-like beverage has been made from the leaves.

Medicinal Uses: "The plant is thought to be specific for fever and ague. An infusion of the leaves has been used in the treatment of stomach aches.

Herbal Uses: Unknown