Soulmate Swamp Milkweed (Asclepias incarnata Soulmate) is one of the top perennials for attracting butterflies to your garden. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Milkweed is an important source of nectar of monarch butterflies. Work soil around the roots, firm well and water thoroughly. Native Range: Northeastern and southeastern United States. Yosemite Valley meadows are in bloom and the showy milkweed plants are living up to their names. In addition, swamp milkweed is an important food source (albeit somewhat less important than upland species of Asclepias) for the larval stage of Monarch butterflies.Genus name honors the Greek god Asklepios the god of medicine.Specific epithet means flesh-colored. It is that time of year again! Best Time to See. The best time to survey for purple milkweed is when it is in bloom, in late June or early July, as its striking flowers are difficult to overlook. Compact in form, 'Cinderella' makes an excellent choice for small, sunny gardens and performs well in low spots and moist areas. When the caterpillars hatch, they feed on the leaves of milkweed. Swamp milkweed, true to its name, prefers consistently moist soil, but performs admirably in average, well-drained gardens as well. Planting Milkweed (Asclepias) is essential to creating a habitat for the beloved Monarch butterfly's survival, as they are the only plants on which Monarch caterpillars will feed. The most common native milkweed in these parts has fuzzy leaves and an odd greenish-white bloom and can stand two-feet tall. The common milkweed begins to bloom in mid June and will continue on through the summer up into August. Flowers are uncommonly white. Common Milkweed – This was my other non-blooming milkweed in this bed. Hi Barbara, swamp milkweed will bloom in containers if it’s a second year plant or older. The third year a mature milkweed plant has developed, it produces large lush foliage, ample flowers, and will serve as a nectar source for adult butterflies and bees, and there is plenty of leaves for the caterpillars. Leave some plants uncut if you want to harvest milkweed seeds in fall. Milkweed prefers full sun, rich loamy soil, and fairly moist conditions, but this robust plant can tolerate a variety of situations. The stems and lea… Information online is dicey as to what this species of milkweed actually wants. Some species grow exclusively in specific regions while others will thrive in jus… Efforts are being made to protect those sites. Transplant milkweed in early spring or fall for a higher survival rate; Cut-At mid season after the blooms have faded, cut some common plants back by about a third. As the plants can be toxic; consumption of the plant protects caterpi… During dry spring seasons, the hearty perennial is sometimes the ONLY plant blooming. | Bloom Time: Early - Mid Summer Common milkweed and bloodflower will often self-seed in Hampton Roads and other areas in Virginia, depending upon winter weather. Easily grown in medium to wet soils in full sun. The wildflower reaches a mature height of 2 - 6 feet [60.96 centimeters - 1.8288 meters] tall. Milkweed in Bloom by Courtney Celley, USFWS. It has flat clusters of bright orange blossoms and blooms from early summer to first frost in most areas. Many have adapted to different regions of the country and a wide range of climates and terrains, from deserts and rocky areas to marshes and open prairies. Planting Instructions: Dig a hole large enough to accommodate the roots without bending them. The long, oblong leaves are light green and grow to about 8 inches long. Stems exude a toxic milky sap when cut. Be forewarned, however, that you will likely end up with butterfly … Butterfly Weed (Asclepias tuberosa), Swamp Milkweed (Asclepias incarnata) are considered the best varieties for an ornamental garden. Flowering; Fruiting; The time of year you would expect to find Purple Milkweed flowering and fruiting in New York. Asclepias syriaca, commonly called common milkweed, butterfly flower, silkweed, silky swallow-wort, and Virginia silkweed, is a species of flowering plant.It is in the genus Asclepias, the milkweeds.This species is native to southern Canada and of much of the conterminous eastern U.S., east of the Rocky Mountains, excluding the drier parts of the prairies. Unfortunately, milkweed … Examine your growing conditions. General Description . Asclepias incarnata, commonly called swamp milkweed, is an erect, clump-forming, Missouri native plant which is commonly found in swamps, river bottomlands and wet meadows throughout the State. 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