Shop › Blue Vervain (Verbena hastata) Image 1 of 2 Image 2 of 2 Blue Vervain (Verbena hastata) from $9.00 Size: Select Size 2 oz (57g) 4 oz (113g) 1/2 lb (227g) 1 lb (454g) Get notified by email when this product is in stock. Add To Cart Added!