Elms Environmental Education Center

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Swamp Milkweed

 

Swamp Milkweed

Asclepias incarnata

 

This milkweed grows in wet soil. Milkweed plants are the sole food source of the monarch butterfly larva.

swamp milkweed

Monarch caterpillars on swamp milkweed plant

 

Fuzzy stem

photos Hester Burch

Flowering Period: May - June

Soil Moisture: moist to wet

Light: full sun to part shade

Soil pH: Prefers neutral to slightly acidic soil but will tolerate heavy clay soils.

Height: 4 to 6 feet

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The Elms Environmental Education Center is the home of Environmental Education for St. Mary's County Public Schools.

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