The Dirty Gardener Asclepias Bloodflower Butterfly Weed Flowers - 500 Seeds The perennial bloodflower shrub adds a rich splash of orange-red to any garden It's sweet scent attracts monarch butterflies A fun addition to bouquets and flower arrangements Easy to grow, requires little maintenance and thrives in zones 3-9 Grows up to 4 feet in height and does well in full sun to partial shade