The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. Umbels: Red or purplish-pink. Swamp milkweed, as the name suggests, grows best in moist, wetland areas. Swamp milkweed can be easily distinguished from other milkweeds with pink flowers by its long narrow leaves. Swamp milkweed is the only milkweed (Asclepias) in New England that is primarily found in swamps and wet areas. Wild food can help treat various medical conditions. Stems are erect, stout, (some may branch) and have few, if any, hairs. Swamp milkweed flowers anywhere from June to September depending on location. And swamp milkweed. The couple is working on making their yard a Certified Backyard Habitat, a program offered by the Audubon Society of Western Pennsylvania. It is, however, a good attractor for pollinators and a North American native, so it is a good choice for gardeners with wet sites on their property who are looking to plant responsibly. Round clusters (umbels) of light pink flowers grow near the top of plant or at the top of brached stems. Here are a couple of tricks to ensure that your seeds are mature and viable. In our yard, the swamp milkweed beetle (Labidomera clivicollis) has been a major problem. General Description . This robust and erect stemmed plant grows three to five feet high, and like its common milkweed cousin, exudes a milky juice when broken. I took out a horrible Norway maple, a worthless tree, and planted a birch grove. Tropical milkweed blooms during much of the year and reseeds freely. I often seem them eating the milkweed plant as soon as it emerges. Habitats include floodplain and bottomland woodlands, swamps (including Bald Cypress swamps), borders of ponds and streams in shady areas, and ditches. Besides being one of the most important caterpillar host plants for Monarchs, swamp milkweed (Asclepias incarnata, aka rose milkweed) is a great nectar source for many pollinators. The flowers are very showy and good for attracting butterflies. Media Marketing/Shutterstock A monarch butterfly lands on a swamp milkweed plant. Bees love it, too. Swamp milkweed is a flowering mash type plant that provides color and will helpprovide insect life to any mash or rain garden. Leaves are … There are many more varieties. When the caterpillars hatch, they feed on the leaves of milkweed. The Iroquois and Meskwaki used the roots medicinally, and Menominee ate the inflorescenes, sometimes drying them … It is one of the best attractors of the monarch butterfly, which feeds on the flowers and lays her eggs on the plants. It grows in a variety of moist places such as wet meadows and woods, ditches and along shorelines. Swamp milkweed (Asclepias incarnata) is another popular type for wet areas. Monarch butterflies are rapidly declining due to loss of habitat and use of pesticides. Craig Fraiser . The Georgia Plant Conservation Alliance asks that you not buy, collect or plant this milkweed. How do they survive the “not-so-camouflaged” part? Flowers consist of 5, downward-pointing petals and a 5-part central crown that are dull pink to deep pinkish-purple. The opposite leaves are up to 15 cm (6") long and 4 cm (1½") across, although they are more typically half that. Savanna Milkweed, Pineland Milkweed (Asclepias obovata) Craig Fraiser . Swamp Milkweed Facts. Rose Milkweed (Asclepias incarnata) is a showy pink blooming Asclepias species that is a food plant for Monarch butterfly caterpillars and a nectar source for adult butterflies. The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. Indigenous plants are found in sunny wet areas like floodplains, river bottomland, swamps and wet meadows. Swamp milkweed, as the name suggests, grows best in moist, wetland areas. A cousin of the better-known common milkweed, swamp milkweed is an attractive flowering perennial that is native to the swamps and other wet areas of North America. They typically form small clusters of between 10 to 20 flowers. It is also much taller than other milkweeds usually reaching heights of over 1 metre (3'). This perennial milkweed is also an excellent choice for rain gardens. Appearance. Swamp milkweed prefers moisture retentive through damp soils in full sun or partial shade and is typically found growing wild near the edges of ponds, lakes, streams, and low areas—or along ditches. Range & Habitat: The native Swamp Milkweed is a fairly common plant that occurs in nearly all counties of Illinois (see Distribution Map). Plants are hardy from USDA Zones 3-9. Because common milkweed tends to spread, it is best for a larger garden or meadow where you don’t mind extra plants popping up. If you plant tropical milkweed in your home landscape, do so with caution. 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