Part of milkweed  genus Asclepias and dogbane  family Apocynaceae.

Native to North America.

Uses by native peoples
(Ethnobotany database)

Asclepias hosts caterpillars of 13 species
of butterflies and moths, in some areas. Growing milkweeds for
monarch butterflies (.pdf) Milkweed—It's Not
Just for Monarchs Uses by butterflies,
planting info

Bloom dates and planting info (.pdf) bloom dates (Michigan) (.pdf page 3).

Learn more about common milkweed Asclepias syriaca

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