Common Milkweed (Asclepias syriaca) grows 3-5 feet tall and ... the milkweed flowers die and give way to bumpy football-shaped green seed pods. Each pod contains up to 200 seeds.

Removing the seed pods before they open is key to stopping these beautiful blooms from overrunning your garden. Butterfly weed (Asclepias tuberosa), also known as chigger weed or pleurisy root ...