You cannot add "Milkweed, Butterfly Weed" to the cart because the product is out of stock. Blue Vervain$5.00 In stock - Blue Vervain quantity + Add to cart Description ... Verbena hastata – Short-lived perennial with candelabra-like clusters of purple flowers. Needs wet to medium soil. Full to partial sun, grows up to 5′ tall, summer blooming, often self-seeds. AKA Swamp Vervain. in 3″ re-used plastic pot You might also like... Wild Violet $5.00 Add to cart Milkweed, Tropical $4.00 Add to cart