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Green milkweed

Asclepias hirtella

Also called Prairie Milkweed, Tall Green Milkweed

Green milkweed
Photo: Eric Hunt, CC BY-SA 4.0

Asclepias hirtella, the green or tall green milkweed, is a native perennial of prairies and open grasslands in central and eastern North America, reaching about 3 feet tall. It is a wild species rather than a common garden plant, and it needs full sun and open, well-drained conditions.

Family
Apocynaceae (Dogbane family)
Grows as
Perennial
Light
Full sun
Water
Water moderately while establishing, then rely mostly on rain; tolerates both wet and dry conditions once settled.
Soil
Dry sandy soil, prairie loam or limestone-derived soil; well drained.
Temperature
Hardy to cold winters of the temperate zone; native from southeastern Canada southward.
How easy
Moderate
Safety
Toxic: Like other milkweeds, the sap and leaves contain cardiac glycosides that can be harmful if eaten in quantity.
Native range
SE. Canada to C. & EC. U.S.A.
Climate
temperate

About

Asclepias hirtella, commonly called the tall green milkweed, is a species of flowering plant in the milkweed genus and dogbane family (Apocynaceae). It is native to Canada and the United States, where its range is concentrated in the Midwest and Upper South.

Where it grows

Asclepias hirtella is found in a variety of open habitats, including areas with dry sandy soil, prairies and limestone glades, It can be found in both wet and dry conditions, and it prefers open habitats with full sun. This species is a component of high-quality grassland communities, although it can be found in and disturbed conditions as well. It is considered to be uncommon throughout much of its range.

Other Asclepias plants

Cartwheels · Cartwheels · Whitestem milkweed · Asclepias alpestris · Asclepias amabilis · Asclepias ameliae · Clasping milkweed · Arizona milkweed · Asclepias apocynifolia · Sand milkweed · Spider milkweed · Asclepias atroviolacea

Text excerpted from the Wikipedia article Asclepias hirtella by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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