Grows in western U.S. to Canada and is equivalent to common milkweed in the east. has been written based on numerous outside resources. Asclepias incarnata 'Cinderella' (Swamp Milkweed) is an erect, clump-forming perennial prized for its brilliant clusters of vanilla scented, rose-pink flowers, which bloom continuously for weeks from midsummer to early fall. Showy milkweed is the most common type of milkweed in the Assiniboia Skipper Unit section of Felton Prairie and is extremely abundant. Choosing milkweed plants proves to be much more difficult than many initially expect. Milky Sap. Milkweed Control. Showy Milkweed. Showy milkweed (Asclepias speciosa) – Flowers are fragrant and pretty. Pub 505 - Milkweed species are generally thought to be poisonous to livestock. Later I bought a couple more tropical. Other provinces - noxious in Quebec (common), Manitoba (common and showy) Canadian Federal Seeds Act - no; U.S. Federal Noxious Weed - no; U.S. Pale and Black Swallowart are also in the milkweed and are considered highly invasive. Pink flowers bloom from late spring to mid-summer. Showy milkweed is the western version of Common milkweed. Showy milkweed grows through the Willamette Valley and is the most commonly available Asclepias in nurseries. Showy milkweed, Asclepias speciosa, Mexican whorled milkweed, Asclepias fascicularis, Woollypod milkweed, Asclepias eriocarpa, Occasionally some others like A. cordifolia, A. californica, A. solonoana. In late summer and fall, these pods split open, spewing seeds that re-seed the plant. A: Swamp Milkweed B: Purple Loosestrife (Photo by: Rob Routledge, Sault College) Purple loosestrife is an invasive plant from Europe and Asia which can be recognized by its tall and showy … Plants from the milkweed (Asclepias spp.) Eye-catching, Anthemis tinctoria is a vigorous perennial that will light up your garden throughout summer and sometimes into fall with its abundant blooms of shining golden yellow flowers atop a fragrant lacy foliage. I grew tropical milkweed last year for the first time ever and had Monarchs show up right away (I live about two miles inland from the sanctuary) They loved the tropical milkweed. Accept 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. Favorite native species: Showy milkweed (Asclepias speciosa) Favorite natural area: How can I choose? Brilliant red and orange Mexican Milkweed blooms in an Austin, Texas garden ... Vertical and showy, this plant with its dramatic red-orange blooms can grow to 48 inches! Easy to grow, pest and disease free, they feature showy, rounded clusters of brightly colored flowers on stiff, upright stalks atop clumps of beautiful, long, shiny leaves. Most other Milkweed species are suited to a dry environment. in flower Photo: Ed Ogle/flickr. Ideas with Asclepias, Save Monarch Butterflies with these Ornamental Milweeds, A Spectacular Summer Planting Idea with Dahlia, Zinnia, Chinese Aster and Ammi visnaga, A Striking Summer Border with Tiger Lilies and Lobelia, A Glowing Prairie Planting Idea for Your Summer, A Lovely Spring Border Idea with Peonies and Irises, A Lovely Spring Border Idea with Tulip 'Angelique' and Forget-me-Nots, Learn How To Plant, Care and Grow Splendid Asclepias. I live in the Sacramento Valley and am very new to the Monarch situation. If you are growing these plants in a garden environment where they are controlled then there should not be a problem. Only plants will be removed from the collection. The Myths to Bust Myth #1: Milkweed is an invasive weed. Website developed by The University of Georgia - Center for Invasive Species and Ecosystem Health and the National Park Servicein cooperation with the Invasive Plant Atlas of New England, Invasive Plant Control, Inc., USDA Forest Service,USDA NRCS PLANTS Database, Lady Bird Johnson Wildflower Center, National Association of Exotic Pest Plant Councils,Plant Conservation Alliance, and Biota of North America Program. A plant thay it considered invasive is usually non-native and has no real ecological value. Milkweed Control. Best flowering usually occurs in full sun except for a few species such as Asclepias purpurascens (Purple Milkweed), which prefers partial shade. Prominent seed pods make a striking addition to dried flower arrangements. Maryland Distribution: Poor, coarse soils of dry fields, rock outcrops, and other steep slopes throughout the state. To answer your question, most milkweed could be considered invasive, if only because they produce prolific amounts of seeds and are eager to set up shop just about anywhere. By planting milkweed in your own garden, you can help reverse the fortune of these beautiful insects! The pink/purple star-shaped flowers grow in … The plants grow to two- to four-feet-tall and flower from spring until fall. Physical Characteristics Asclepias speciosa is a PERENNIAL growing to 0.8 m (2ft 7in) by 0.6 m (2ft). Common Milkweed (Asclepias syriaca L.) By David Taylor. Let’s go with the Makah Tribal Lands; Coffee or tea? Showy milkweed (A. speciosa) pods, seeds, and floss. Plants will spread by rhizomes but are not considered invasive. Tropical milkweed (Asclepias curassavica) is a non-native milkweed that has exploded in popularity in response to the demand for milkweed. showy milkweed (Asclepias speciosa) Torr. Please do not ever plant Climbing Milkweed. Descriptor: Plant(s) Description: in flower Image type: Field. Magnets for hummingbirds, the vibrant blossoms give way to seedpods that persist into fall and attract hungry birds. Fortunately controlling that undesired spread is relatively easy, since the seed pods are so huge and easily identified. These Asclepias are not only very attractive - and plant breeders have introduced improved cultivars - most of them are smaller and less invasive than the common milkweed, less likely to escape your butterfly garden and march off in search of new lawns to conquer. It also hosts Monarch butterflies at every stage of development! Image 5087038 is of showy milkweed (Asclepias speciosa ) flower(s). family, U.S. Department of Agriculture plant hardiness zones 4 through 10, are a suggested part of every butterfly garden. Best confined to a pot because of its invasive tendency. Often fragrant, the attractive flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. Questions and/or comments to the Bugwood Webmaster Milkweed is hardy in U.S. Department of Agriculture (USDA) plant hardiness zones 3 … This milkweed species is rather variable across different localities; there is a variety with narrow leaves that occurs in sandy areas near Lake Michigan. Posted by: ... For info on subjects other than plant identification (gardening, invasive species control, edible plants, etc. Add mulch around the seedlings to hold in the moisture and minimizes the growth of competing weeds. showy milkweed This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in … Asclepia incarnata (Swamp Milkweed) needs evenly moist soils. The abundance of stiff, lance-shaped foliage provides a dark green backdrop for the showy flower heads. Height: Up to 3 feet Blooms: orange, June to September Sun: Part sun to full sun Soil: Well-drained, poor, dry, usually rocky or sandy soil Garden Use & Maintenance: A stunningly showy wildflower with a long bloom period. The weather and water supply will determine the timing and length of the bloom. This map identifies those states that list this species on their invasive species list or law. Common milkweed grows in U. S. Department of Agriculture plant hardiness zones 4 through 9, can grow up to 6 feet tall, and produces seed pods up to 5 inches long. Asclepias speciosa: Showy milkweed. Showy milkweed (Asclepias speciosa) – Flowers are fragrant and pretty. Most species are tropical or arid land species. It is a hardy plant that spreads underground just like its sister species. One way to kill common milkweed is to mow it every two to three weeks before the seed pods form. General Description . Descriptor: Flower(s) Image type: Field. This is the particular species of milkweed that the Monarch caterpillars feed on after hatching, so it is highly prized by egg-laying adults. Previous Next. It is hardy, easy-to-grow and supports Monarchs. Showy milkweed is the most common type of milkweed in the Assiniboia Skipper Unit section of Felton Prairie and is extremely abundant. Asclepias speciosa (showy milkweed) occurs in all the western states and is the top choice for restoration in this region with A. latifolia (broadleaf milkweed) a second choice. Organization: University of California - Davis. Asclepias is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. What I saw was blooms opening on June 1st. The leaves are smooth, wide, and oppositely arranged. Sturdy stems hold fragrant flower heads upright and soft gray-green foliage adds bold texture to the borders and butterfly gardens. The most prevalent milkweed species at nurseries around Houston is Tropical milkweed (Asclepias curassavica). Check these Great Plant Combination It also has some medicinal and other uses. Showy Mexican Milkweed. The plant can be grown as an annual flower or as a perennial. This plant is considered an invasive weed in … Swamp milkweed, as the name suggests, grows best in moist, wetland areas. Asclepias speciosa or Showy Milkweed is a milky-sapped perennial plant with good edible uses. Blooming from late spring to early fall, depending on the varieties, their stately flowers are noted for their long-lasting display of reds, oranges, yellows or creams, adding eye-catching splashes of color to any border. Tea in Canada and coffee in the states. East Bay Wilds: Plant List Milkweed plants are neonicotinoid and pesticide free! Swamp milkweed plants can be distinguished from their other milkweed cousins both by these showy pink flowers and by their habitat, as they are the only species of milkweed that prefer to grow in wet conditions. The genus name Asclepias is named after the Greek god of medicine Asklepios. Similar to Ascelpeias syriaca (Common Milkweed) it is an excellent garden choice due to its non-invasive nature. Showy milkweed needs a five gallon or larger container. It is by Mary Ellen (Mel) Harte. Like Common milkweed it will spread not only by seed but also by underground rhizomes. Fortunately controlling that undesired spread is relatively easy, since the seed pods are so huge and easily identified. Asclepias tuberosa Perennial Forb Dogbane Family. The light wind-dispersed seed allows it to invade agricultural fields. Attractive and easy to grow, they shine in many perennial gardens and are a key component of butterfly gardens, cottage gardens, or prairies and meadows. Best confined to a pot because of its invasive tendency. Comments: This non-showy plant is unlikely to receive favor from the mass market in horticulture, but it is nonetheless quite interesting to examine. The flowers are sort of greenish so it's not showy at all. Blooms are 3"-8" in diameter and have many smaller blossoms. Native milkweed (showy milkweed) is very invasive so I do not grow it, if the seeds fly to the neighbors’ yards and take over that is not a good thing. Water regularly. While light, well-drained soils are usually best, some species including Asclepia incarnata (Swamp Milkweed) and Asclepia sullivantii (Prairie Milkweed) thrive in moist conditions. They are held in charming, up-facing pendant umbels atop the plant's stem. Mostly native to the U.S. and Canada, Asclepias include over 100 species of evergreen or deciduous perennials adorned with clusters of small, interestingly shaped blooms that are irresistible to butterflies. A. speciosa (showy milkweed) is similar to A. syriaca but it has broad, oval and rounded or heart-shaped leaves, densely woolly stalks, and fewer and longer flowers. The bloom on your plant will vary on the timing and duration of the bloom. Extremely showy and exotic-looking, Crocosmia produce decorative clumps of erect sword-shaped leaves and brilliant wands of fiery scarlet, red, orange, and yellow tubular flowers which bloom for 5-8 weeks from mid summer through mid fall.