Asclepias incarnata

Swamp Milkweed
Family: Apocynaceae (Dogbane Family)


·        Hardiness Zones: 3-6
·        Height: 4-5 feet
·        Spread: 2-3 feet
·        Bloom Time: July to August
·        Bloom: white, pink, mauve
·        Light: full sun
·        Soil: average, well-drained
·        Moisture: medium to wet
·        Use: naturalize, rain garden, butterfly garden; flowers are very attractive to butterflies and an important food source for the larval stage of Monarch butterflies
·        Care: easy
·        Concerns: no serious insect or disease problems
·        Native to: northeastern and southeastern U.S.
·        Notes: stems exude a toxic milky sap when cut; flowers are followed by attractive seed pods (up to 4 inches long) which split open when ripe, releasing silky-haired seeds easily carried by the wind
·        Supplier: Diane Amundson
·        Teaching Garden Location & Code: Wet Garden D101, Rain Garden J025

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