Milkweed sap, contains cardiac glycoside to varying degrees, a toxin which repels many animals from eating it. The caterpillars carry the toxins into adulthood where potential predators soon learn to avoid the bitterness of this orange and black butterfly. 10.2305/IUCN.UK.2016-1.RLTS.T64264155A67728543.en, https://en.wikipedia.org/w/index.php?title=Asclepias_incarnata&oldid=994750158, Flora of the Great Lakes region (North America), Creative Commons Attribution-ShareAlike License, This page was last edited on 17 December 2020, at 10:11. And contrary to its name, swamp milkweed doesn’t grow only in a swamp or in wet areas, at least here in Central New York. Leaves are somewhat narrow and typically alternately arranged on the stem. This is a great starter plant to get into the rewarding summer hobby of raising caterpillars! The leaves are heavier and more leathery than the swamp milkweed, and I don’t find as many eggs laid on these as I do on swamp or common milkweed. Corbett Wildlife Management Area, Everglades National Park, and Fisheating Creek Wildlife Management Area. Milkweed flowers are extremely complex. When will my plant flower? In summer plants are topped by rounded pink or rose colored flower clusters which attract flocks of butterflies. Tropical milkweed blooms during much of the year and reseeds freely. Davis' milkweed. July 13, 2017. 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 different places, and some are listed above. She empowered students through a global teaching … PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State. Green Milkweed, Spider Milkweed Height: up to 1.5 m Flower: 5-7 mm in a flat-topped umbel. your own Pins on Pinterest She empowered students through a global teaching … Various parts of milkweed have been used for food, although is toxic if not correctly prepared. Swamp Milkweed. Leaves can be alternate or opposite and are oval on moister soils but can be very narrow when growing in drier habitats. The plants are also sold as freshly cut flowers, mostly for their long-lasting flower display, but sometimes, for the distinctive follicles. The only other milkweed within the state that reliably prefers wetlands, Asclepias incarnata(Swamp Milkweed), is a taller plant with pink flowers; it also prefers wetlands that are more sunny. Clump forming habit that doesn't spread 3. Adult monarchs feed on the nectar of many flowers, but they breed only where milkweeds are found. They split open in late summer through late fall, releasing seeds attached to silky hairs, which act as parachutes that carry the seeds in wind currents. Swamp Milkweed Seeds. Range & Habitat: The native Swamp Milkweed is a fairly common plant that occurs in nearly all counties of Illinois (see Distribution Map). Scroll down for some tips on raising milkweed from seed. Four-leaf Milkweed (Asclepias quadrifolia) southeasternflora.com . RangeManitoba, Ontario, Quebec, New Brunswick, Nova Scotia, PEI. The actinomorphic flowers have five reflexed petals and an elevated central crown. If you are in a hurry and want a mature plant sooner, a … Plants thrive in sunny sites with moist or saturated soils. Milkweed pollen is accessed only when an insect goes to drink nectar and their leg slips in through one of the narrow gaps between the hoods. « Previous Plant | Next Plant » Print this page. This robust and erect stemmed plant grows three to five feet high, and like its common milkweed cousin, exudes a milky juice when broken. For MILKWEED TOXICITY please go to the bottom of this page. Leaves in whorls. Photo by Photo by Jim Hudgins/USFWS. They point out that the most pressing threat to monarchs is extreme habitat loss. It is a preferred plant in stormwater management, because swamp milkweed tolerates more saturated soils, and provides beauty and pollinator habitat in the summer months. Native to North America. Please confirm species listed are native to your area before planting. The emerging caterpillars feed on the leaves. It is one of the best attractors of the monarch butterfly, which feeds on the flowers and lays her eggs on the plants. In addition, swamp milkweed is an important food source for the larval stage of Monarch butterflies. Many organisms depend on the milkweed plant for food, shelter, space, water and even air. Source: USDA Plants Database as of November 15, 2017. It is a tall plant found in moist habitats such as wet meadows, floodplains, riverbanks, pond shores, stream banks, wet woods, swamps, and marshes, although it will also grow in drier areas such as prairies, fields, and roadsides. Swamp milkweed is a perennial herb. If you plant tropical milkweed in your home landscape, do so with caution. Its leaves are opposite, large and oval or lanceolate. CHECK AVAILABILITY. FIRST IMPRESSIONS: This elegant plant is upright with slender willow like leaves. The scented, thick, white roots are in environments low in oxygen. Donate to support Canadian wildlife conservation! They are usually avoided by grazing animals[274]. HabitatWoodland edges, roadsides, dry fields. Perhaps the best of the milkweeds for hosting monarch caterpillars, Swamp milkweed is an excellent foundation plant for habitat gardening. Media Marketing/Shutterstock A monarch butterfly lands on a swamp milkweed plant. RangeSouthern Ontario and southwest Quebec. The emerging caterpillars feed on the leaves. Meadow Thisle. Since milkweed species have varying needs for sun, water and space, pay extra attention to growing requirements. Common Milkweed is listed as a Class Number One noxious weed in Nova Scotia and is therefore not to be planted. ga('require', 'displayfeatures'); If you are growing these plants in a garden environment where they are controlled then there should not be a problem. [CDATA[ One species, Asclepias variegata, is now presumed to be Extirpated (no longer growing there) from its native range in Ontario. Easily grown in medium to wet soils in full sun. Tropical milkweed's popularity as a landscape plant may help the monarchs regain territory. Like most other milkweeds, it has latex containing toxic chemicals,[3] a characteristic that repels insects and other herbivorous animals. Appearance(50 to 100 cm – 2 to 3.5 feet) Tall Green Milkweed flowers are white to greenish and, similar to A. viridiflora below, the flowers are tight and narrow looking. Swamp Milkweed eventually matures to forms clumps up to 36" across. Purple Milkweed (Asclepias purpurascens) HABITAT: Open, seasonally moist woodlands & prairies. They then release light or dark brown, flat seeds that are attached to silver-white, silky hairs which catch the wind. They are usually avoided by grazing animals[274]. southeasternflora.com . 1. The Iroquois and Meskwaki used the roots medicinally, and Menominee ate the inflorescenes, sometimes drying them … Swamp milkweed is a tall plant with fragrant, showy clusters of pink and light purple flowers. Butterfly Weed (Asclepias tuberosa), Swamp Milkweed (Asclepias incarnata) are considered the … Mexican whorled milkweed. Plants usually have a taproot with the root crown producing one to six or more stems each growing season. Leaves are opposite and widely oval but can be narrower. RangeBritish Columbia, Alberta, Saskatchewan, Manitoba, northwest Ontario, HabitatWell drained or sandy areas such as open woods, woodland edges, thickets and roadsides and sometimes in moist areas. Aug 23, 2019 - Asclepias incarnate, swamp milkweed. Also called Swamp Milkweed, this milkweed actually grows well in both moderately moist and wet soils. This perennial milkweed is also an excellent choice for rain gardens. Leading by doing: Chicagoland eagle scout project restores monarch habitat. RangeSaskatchewan, Manitoba, Ontario, Quebec, New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland and Labrador. The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. The nectar of the plant attracts many other species of butterflies and insects as well. Most of the pods ripen about a month before the Butterfly Milkweed ones, from the end of September on Prince Edward Island. No need to register, buy now! Monarch butterflies lay their eggs on just one type of plant, and that’s milkweed (genus Asclepias). Habitat, color, texture, what more do you want other than for us to come put some in your landscaping? 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