Description
Asclepias viridis, commonly known as Spider Milkweed, Green Antelopehorn, or Green-Flowered Milkweed, is a native perennial forb (wildflower). Stems and leaves exude a milky sap when cut or bruised. Tiny green flowers with purple hoods bloom in many-flowered axillary and terminal umbels from May to June.
Wildlife notes
Spider Milkweed is attractive to Monarch butterflies and other insects. Typically avoided by mammalian herbivores.
Forage notes
Generally avoided by cattle and horses.
Landscaping notes
Easily grown in average, dry to medium moisture, well-drained soils in full sun. Drought tolerant. Easily grown from seed and will self-seed in the landscape if seed pods are not removed prior to splitting open. Plants will also spread by rhizomes, but are not considered to be aggressive. Seed pods are valued in dried flower arrangements. Butterfly gardens, meadows, prairies, or naturalized/native plant areas. Borders.
Restoration notes
It can be found along roadsides, ditches, prairies, open areas, and other areas with little vegetative competition.