These are photos of our number 1 container Butterfly Weed. Asclepias is milkweed that is necessary for the life cycle of the monarch butterfly. The monarch lays its eggs on the plant, they shortly hatch into larvae, eat milkweed for two weeks and then pupate. 10 days later the monarch butterfly will emerge.The nectar of it's bright orange flowers is also attractive to many other butterflies, hummingbirds and bees. This herbaceaous perennial can grow to 3' tall.