Milkweed Sun. Young milkweed plants need plenty of diffuse light as they grow plant in full sun locations. Scarlet milkweed is naturalized in several of the hottest united states.
Incarnata perennial for sun or part shade moist locations this milkweed bloooms in pink or white on three to five foot tall stems. Best flowering usually occurs in full sun except for a few species such as asclepias purpurascens purple milkweed which prefers partial shade. There is a milkweed variety for every landscape.
Most milkweeds require full sun at least 6 to 8 hours a day.
Common milkweed asclepias syriaca is a native herbaceous perennial whose main virtue is its appeal to butterflies especially the monarch which deposits its eggs on the milkweed when the caterpillars hatch they feed on the leaves of milkweed. Swamp milkweed as its name implies will do best in a moist environment making it great for wet meadows or rain gardens. Common milkweed asclepias syriaca is a native herbaceous perennial whose main virtue is its appeal to butterflies especially the monarch which deposits its eggs on the milkweed when the caterpillars hatch they feed on the leaves of milkweed. Common milkweed grows well in average garden soil.