Milkweed seeds have silk parachutes and fly with the wind. It prefers partial shade, and will do well in a yard with shade from large trees. Another great choice is whorled milkweed (Asclepias verticillata) as its white flowers and skinny leaves provide an aesthetic difference to standard milkweed appearance. Simply empty seeds and fluff into a paper bag with a few coins and shake.The coins help to separate the seeds. Swamp Milkweed is a native perennial that grows to about 4’ tall and is very showy. Hardy to zone three, this can reach one to four feet tall. Sitting atop upright branching stems, clad with stiff, lance-shaped, taper-pointed leaves, the colorful umbels give way to attractive seed pods in the fall, which persist into winter. This coarse plant features hairy, erect stems. Asclepias speciosa, (Showy Milkweed). Along the horizontal roots, buds are produced that will grow into a new stalk. They tend to spread easily in most gardens. Its flowering stems are often widely spaced. Growing milkweed. A sunny back corner is ideal. In addition, the plant sends out underground runners to start new plants. Some advice has suggested plants can be cut back to the ground twice during the growing season to limit the spread of disease, and that plants should be removed late in summer so as not to interfere with migration. When in flower it is covered with bright orange blossoms that make a statement in the garden. Good for many pollinators : The bright orange flowers of Butterfly Weed are attractive to many varieties of butterflies, bees, hummingbirds and other pollinators. If you plant several milkweed species and spread out patches, some will thrive without pests or disease issues while some will have more problems. A great choice for butterfly gardens, meadows, prairies and for natural settings. Asclepias curassavica, commonly known as tropical milkweed, is a flowering plant species of the milkweed genus, Asclepias. PLANTS Profile - Asclepias syriaca, common milkweed; See other Plant of the Week Asclepias species… With tropical milkweed so readily available, what’s a gardener to do? Asclepias incarnata (Swamp Milkweed) is an erect, clump-forming perennial prized for its brilliant clusters of fragrant, lilac-pink flowers, which bloom continuously for weeks from mid to late summer. Photo by Emma Pelton While you can certainly buy milkweed seed from a variety of suppliers, harvesting milkweed seed from local ecotypes is a great way to ensure that you are working with plants that are well adapted to your climate and soil conditions. Milkweed yellows phytoplasma is a more serious issue identified by malformed, yellowish growth and branch dieback. I have the pink milkweed and don't mind it. Asclepias tuberosa, the butterfly weed, is a species of milkweed native to eastern and southwestern North America. The white milky … As you read on the habitat page, milkweed is a weed that invades crops in the Midwest. It forms a clump and does not spread. Here is a species by species breakdown of milkweed species that are available commercially in Missouri. July 9 at 9:00 pm. Attractive and robust, Purple Milkweed tends to spread less aggressively than other milkweed species. The plant is prized for its early summer flowering. ... How do milkweed seeds spread? Common milkweed needs elbow-room as it is an aggressive suckering perennial growing 3-4 feet tall. Common Milkweed (Asclepias syriaca) produces purple/pink flower clusters that wildflower gardeners love. Harvest Milkweed Seeds without the Fluff Part 2. It seems to send runners and pop up a distance from where it … If you are growing milkweed in zones outside of USDA 4 to 9, you will want to leave the seed heads to mature and reseed the area or, alternatively, cut them off when brown and dry and save the seed to sow in spring. Any species in the milkweed family will do, but the easiest to grow is the common milkweed, Asclepias syriaca. Use a pair of pruning shears. Bloom: July-August. Dividing & Transplanting: All Milkweed, and swamp milkweed in particular, develop a deep tap-root, so we do not recommend dividing or transplanting milkweed plants once they've been established in your garden or meadow. Asclepias sullivantii (prairie milkweed) Similar in appearance to common milkweed, but less aggressive because it does not spread by rhizomes. Purple milkweed will grow two to three feet tall and wide. (See more on that below.) It does spread but so far has not caused me a problem. For More Information. It is native to the American tropics and has a pantropical distribution as an introduced species.Other common names include bloodflower or blood flower, cotton bush, hierba de la cucaracha, Mexican butterfly weed, redhead, scarlet milkweed, and wild ipecacuanha. Milkweed is best grown in naturalized areas and meadows as it tends to spread and take over more formal garden settings. Because common milkweed tends to spread, it is best for a larger garden or meadow where you don’t mind extra plants popping up. Showy Milkweed seeds and plants for sale. This is a well-mannered plant. It likes wet, clay soil, but it also prefers full sun. Seeds require cold moist stratification. The only solution here is to remove and destroy the infected plants before they spread the ailment to other plants. How tall does milkweed grow and do they spread? Milkweed growing in an urban rain garden. Milkweed will naturally reseed and spread over time. Milkweed can spread via their rhizomes (roots) and via seeds, so if you need to control the size of your patch, go ahead and remove the seed pods. Showy milkweed seeds need 30 days of cold stratification to improve germination, Sow the seeds about 1/4 inch deep. 2 Responses. The plant grows readily from seed and spreads quickly by deep rhizomes. Rabbits will feed on young plants so it is best to fence off the seedlings until the plant matures. You may also want to plant in a pot rather than directly in the soil, or plant the plant in an area where it has room to spread. Kris says. The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. This species is closely related with the common milkweed, A. syriaca, with which it sometimes hybridizes at the eastern limits of its distribution.These species are similar in appearance and growth form (tall and robust), but can be distinguished by the layer of fine white hairs on speciosa and flowers that look like small crowns. Butterfly milkweed is a hardy, durable perennial, reaching about 2 feet in height while maintaining a nice rounded habit. Gardening is a continuous experiment. Asclepias syriaca Common milkweed. The plants spread naturally by wind-borne seeds and by creeping roots that spread out slowly under the ground. As such, milkweed is critical for the survival of monarchs. Anne Arundel County Maryland. Monarchs like it. Asked by Wiki User. General Description . Sun: Full. There is also climbing milkweed which is invasive but I like it because the small flowers are fragrant. Many people like milkweed for those reasons as well as for its fragrant, sweet-scented blossoms. You can plant milkweed starter plants purchased at specialty nurseries. It occurs in openings and adapts to partial shade. Milkweed plants are critical to the monarch butterflies survival, whose population in … Choose a spot where you can leave the stalks free to spread. 5. Germination can occur as quickly as one week but may take longer. Without it, they cannot complete their life cycle and their populations decline. Growing Swamp Milkweed. Showy milkweed is a lovely plant if you have the space for it or the tolerance for its tendency to spread! Water: Medium to wet. Deadheading can also prevent self-seeding if you don’t want the plants to spread. We plant some in containers, but most is planted in the yard/garden. The name “common” fits the plant well because when not in bloom, it goes pretty much unnoticed, growing humbly along roadsides, in fields, and in wastelands. Like other Asclepias, this is a larval host to the Monarch butterfly, and is pollinated by many other butterflies and bees as well. Butterfly Weed (Asclepias tuberosa) is considered one of the best varieties for an ornamental garden as it does not spread by underground runners. Swamp milkweed, as the name suggests, grows best in moist, wetland areas. Showy milkweed is less likely to spread than some species. Swamp milkweed – Swamp milkweed can tolerate extra water, but does well in average soil. To avoid these conditions, keep your plants thinned out and avoid standing pools of water and over-watering in general. Description Desert Milkweed, Asclepias subulata, has slender gray-green stems that grow vertically to 4 feet from a woody base.The plant’s spread can reach 2 feet or more. Showy milkweed (Asclepias speciosa) This native occurs throughout the West, Southwest and the Central states. I don’t have a large area if they spread too much. Large pale pink to pinkish purple flower clusters up to 3 inches across provide a plentiful nectar source for a variety of butterflies. Milkweed is versatile Because common milkweed can be weedy and difficult to remove, care should be used to establish the plant only in places where spread can be tolerated. It grows from a stout root so does not aggressively spread like milkweed species that grow from rhizomes. Common Milkweed can get quite tall 4-5' when it's mature so you want to put it in the back of your flower beds if the other garden plants are small. You can keep it in check by plucking off all the flowers before they turn into seedpods. Milkweed is one of the Monarch Butterflies’ favorite plants and will bring many winged friends to your garden or meadow. One way it is so successful at doing so is by "creeping, horizontal roots" that may spread to make a single plant grow up to 10 feet across in one season (Anderson, 1999). Monarch caterpillars feed exclusively on the leaves of milkweed, the only host plant for this iconic butterfly species. You can harvest the seeds to plant them where you'd like. Similar to common milkweed in structure, it blooms slightly later which allows for a longer milkweed blooming season. Thank you. It can be a challenge to grow but once established it will thrive for years to come and spread quickly. Spread: 2-3 feet. Perennial. 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