Swamp milkweed

Common names: Swamp milkweed, rose milkweed, rose milkflower, swamp silkweed, and white Indian hemp

Species name: Asclepias incarnata L.

Insects supported: monarch butterflies, native and honeybees, syphrid flies, swamp milkweed beetle, etc.

Wildlife supported: hummingbirds

Landscape status: Quebec, Nova Scotia, native in entire east coast besides Florida, reaches Texas and all the way to North Dakota

Non-native look a-likes: tropical milkweed

Ideal planting conditions: Swamps, marshes, bogs, and open areas near rivers

Historic uses: All kinds of milkweed were used by Native Americans for medicinal purposes (reducing swelling, fevers, coughs, etc.), as well as in food.

Sources: 

https://www.fs.usda.gov/wildflowers/plant-of-the-week/asclepias_incarnata.shtml

https://www.evergreenseeds.com/plants-that-look-like-milkweed/#:~:text=Dogbane%2C%20Endless%20Summer%20hydrangea%2C%20and,they%20can%20easily%20become%20invasive.

https://www.westernnativeseed.com/plant%20guides/ascincpg.pdf