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tall green milkweed

tall green milkweed (Asclepias hirtella)
Photo © Gerald Tang

Features and Behaviors

Tall green milkweed grows up to three feet in height. Most of the leaves are arranged alternately on the stem. The leaves are narrow, about three-fourths inch wide or less. Seedpods are about four inches in length. The flowers are positioned in the leaf axils. Flowers are pale green with the petals white-edged or purple-spotted at the tip.

Tall green milkweed flowers May through August. It can be found statewide. This species grows in prairies, especially sand prairies, and fields.

Illinois Range


​Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Gentianales
Family: Asclepiadaceae

Illinois Status: common, native