Common Milkweed is the plant that often comes to mind when we hear the word “milkweed.” This familiar milkweed has an upright form with large oval leaves and ball-shaped flower umbels. This is one of the easiest and fastest to establish of the milkweeds and it thrives in almost any well-drained soil. Common Milkweed is a host plant for Monarch butterflies. Plant in full sun. Zone 3-8. Height 60 inches. Available in quart pots: order in # of flats (at 12 pots per flat).