Fagopyrum cymosum - Perennial Buckwheat is a highly valued perennial vegetable and medicinal plant in Asian. The leaves and seeds are consumed raw or cooked. The aerial parts and the roots are used medicinally. The seeds are gluten free, making it a good wheat substitute. Perennial Buckwheat is easy to grow, and suits most moist soil types. Honey bees love the flowers on this plant. It is also cultivated as an animal forage herb. It is a very fast growing plant, and can take over, so give it plenty of room or grow in a pot.