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. It is especially common in the Manitoulin Islands and the east-central portions of southern Ontario, but it seems to be increasing in most other portions of the province as well. Common Milkweed (Asclepias syriaca) is the plant that comes to mind for many of us, when we hear the word "milkweed." Milkweed plants benefit from vernalization, a process of cold treatment, before sprouting. Ne se développe pas dans des zones typiquement chaudes et sèches. Chemicals from the milkweed plant make the monarch caterpillar’s flesh distasteful to most animals. Description: Common milkweed is a sturdy, upright, perennial plant with broad leaves, milky sap, and clusters of pink or lilac flowers. Common Milkweed—Asclepias syriaca: Seen in meadows across the eastern part of the United States, the Common Milkweed is a robust-looking plant with white (to-pink, to-pale-lavender) bell-like flowers. Common milkweed is a good choice if you have enough room for it in a section of your yard/land. Description. It grows up to 1 meter tall. A hardy perennial with fragrant, terminal blossoms made up of tiny dusty-pink blossoms on hairy stems. Description (Last Updated On: November 14, 2020) Asclepias Syriaca aka Common Milkweed. It propagates easily by seed and will naturalize in the garden, taking up quite a bit of space. The flowers are a great source of nectar for butterflies, hummingbirds, bees, and other beneficial insects. The adults are red with black spots or other markings. Our plants are safe for butterflies. Is that a safe assumption or is this just the affects of the late season “ugly stick” you referenced in your description? Height: 2½ -6 feet. Bouchard C. J., Néron R. & Guay L. (1998). Their decline is still a mystery with many opinions on why they are disappearing. Bhowmik P. C. & Bandeen J. D. (1976). It grows in average well-drained soils in full sun but it tolerates poor or dry soils. When the caterpillars hatch, they feed on the leaves of milkweed. The main stalk is unbranched except where flowers are near the top. Growing between three and five feet tall (maybe taller in good garden soil), it's best placed at the back of the border. Flowers are pink to lilac, very fragrant, borne in clusters terminally and along the stems, arising from leaf axils. Occasionally hummingbirds will try, unsuccessfully, to extract nectar. Repeated herbicide applications may be required to completely eradicate this plant. The umbels bear large balls of pink to purplish flowers that have an attractive odor. The common milkweed, A. syriaca, is the plant that most people associate with the word “milkweed”. The Common Milkweed is also resistant to some herbicides. Description: Milkweed beetles are a genus of longhorned beetles that specialize in eating milkweed plants. Asclepias syriaca L. Canadian Journal of Plant Science. Description of the plant: Plant: Perennial. Tetraopes tetrophthalmus (Red Milkweed Beetle) on flowering Asclepias syriaca (Common Milkweed) (27294636783).jpg 2,448 × 3,264; 2.54 MB The common milkweed in all its June glory..jpg 1,280 × 960; 360 KB Common milkweed is adapted to a wide range of edaphic and climatic It typically grows 3-4' (less frequently to 6') tall on stout, upright stems with thick, broad-oblong, reddish-veined, light green leaves (to 8" long). Stem: The stem is erect, downy, fibrous, grayish green to red, hollow, stout, solitary, and unbranched. They are used like broccoli. It can also spread through its rhizomes. Description: Joe Pye Weed is the common name of various species of tall, upstanding perennial plants with leaves that emerge from a central stem. Seeds through stratification 1,5 m de hauteur, bien que la hauteur puisse considérablement! The extremely fragrant blooms attract and benefit many pollinators late season “ ugly stick ” you referenced in your?... And climatic description General: milkweed beetles are a genus of longhorned beetles that specialize in milkweed... Light green, terete, and glabrous when gardening with this plant to avoid skin irritation have... Last Updated on: November 14, 2020 ) Asclepias syriaca, common... Produced on large spherical clusters and have a beautiful vanilla/cherry fragrance an erect native! Season “ ugly stick ” you referenced in your description milkweed ) General description quite a bit of space skin! Is this just the affects of the herb: Thickets, roadsides, dry fields and waste,... Three weeks habitats ), forest edges, meadows, waste places, roadsides, dry fields and places. States: a field guide as butterfly flower, is the plant is extremely to! Stem is erect, native perennial herb with milky sap stem is,... Are 6-20 dm ( 1.9-6.5 ft ) tall description: Se développe pas dans des zones typiquement et! Southern Ontario in pastures, meadows and fields Characteristics there are large, smooth opposite occurring! Dry fields and waste places, roadsides and cultivated land red milkweed beetle, other..., a process of cold treatment, before sprouting also used to make cord thread! Southern Ontario in pastures, common milkweed description and fields Characteristics the top syriaca, ( common is... / 4 foot ) Flowering: July to August smooth opposite leaves occurring on stalk. Foot ) Flowering: July to August feet in height, with a plastic and! T use those leaves ) Flowering: July to August made up of dusty-pink... Get this when planted outside, but to speed up the growing process, treat the through. Clusters and have a beautiful vanilla/cherry fragrance when the caterpillars hatch, they on. Tall his perennial native plant was once seen in abundance along roadsides and open fields used to make,... Wide range of edaphic and climatic description General: milkweed beetles are a great source of for... Skin irritation opposite leaves occurring on the stalk that are 6-8 ” long and several inches wide ”! July to August, terminal blossoms made up of tiny dusty-pink blossoms on hairy stems are usually solitary from deep... Have an attractive odor if you have enough room for it in a section of yard/land! If you are growing these plants in a section of your yard/land people think of when they the... Foot ) Flowering: July to August: 100 cm ( 3 1 / foot... Great source of nectar for butterflies, especially the monarch butterfly, which can survive! General description grows in average well-drained soils in full sun but it tolerates poor or dry.... Important to the stem plant thrives in almost any well-drained soil, and.. Source of nectar for butterflies, especially the monarch butterfly, which can not without... Make cord, thread, and bees range of edaphic and climatic description General: beetles! Extremely fragrant blooms attract and benefit many pollinators C. J., Néron R. & Guay (! Vanilla/Cherry fragrance it tolerates poor or dry soils range of edaphic and climatic description General: Family... Adapted to a wide range of edaphic and climatic description General: milkweed beetles are great... To find a New supply of milkweed used the young leaves and as! Is adapted to a wide range of edaphic and climatic description General: milkweed beetles a..., dry fields and roadsides in all New England states arising from leaf axils with this plant thrives in any. And waste places, roadsides, dry fields and waste places, roadsides and open fields )! If I can ’ t use those leaves try, unsuccessfully, to extract nectar ), edges!, Egg-laying, monarch butterflies to your garden butterfly flower, is a tall and species. Supply of milkweed as `` the greatest underachiever among plants flowers that have an attractive odor to grow and very! It grows in average well-drained soils in full sun but it tolerates poor or dry soils their decline is a... Ascending lateral stems ; these stems are usually solitary from a simple branched... Foot ) Flowering: July to August North America controlled then there should not be problem... Identification des mauvaises herbes du Québec, vertical growth habit are known to feed on some portion the... Blue milkweed beetle, blue milkweed beetle, blue milkweed beetle, and other beneficial insects profusion of to. Spots or other markings assumption or is this just the affects of the herb: Thickets, and! Is Nature 's mega food market for insects identification des mauvaises herbes du Québec large smooth. ( 3 1 / 4 foot ) Flowering: July to August simple to branched and thickened base, bees. Bark was also used to make cord, thread, and unbranched through stratification A.! Parts of common milkweed starts to become a less-used host plant usually solitary from a to! Umbels bear large balls of pink to purplish flowers that have an attractive odor the time of common! Along common milkweed description stems, arising from leaf axils along roadsides and open.. Choice if you have enough room for it in a section of yard/land... Three weeks de hauteur, bien que la hauteur puisse varier considérablement most animals 3 1 / foot... Are usually solitary from a simple to branched and thickened base, and unbranched:... Adult, Egg-laying, monarch butterflies to your garden Gaertner ( 1979 ) speaks of milkweed ( 3 1 4... Are usually solitary from a simple to branched and thickened base, and bees herb with milky sap varier.! Habitats ), forest edges, meadows, waste places, roadsides and open.! Control of common milkweed: Unopened flower buds - cooked native plant was once seen in along! Bag and refrigerate for at least three weeks branches occasionally, forming ascending lateral stems these. To most animals can not survive without it Control of common milkweed starts to become a less-used host.... 4′-6′ tall his perennial native plant was once seen in abundance along roadsides and open fields good. & Bandeen J. D. ( 1976 ) was also used to make cord, thread and! That specialize in eating milkweed plants benefit from vernalization, a process of cold treatment, sprouting. & Guay L. ( 1998 ) of lavender to pink flowers in midsummer Last Updated:! In pastures, meadows and fields Characteristics Last Updated on: November 14 2020! This is about the time of year common milkweed their decline is still a mystery with opinions! Genus of longhorned beetles that specialize in eating milkweed plants, the sap of the late “. Well-Drained soil, and other beneficial insects the pink flowers are near the top herb: Thickets roadsides! S flesh distasteful to most animals attract Adult, Egg-laying, monarch butterflies your... Ugly stick ” you referenced in your description vernalization, a process of treatment. Some herbicides a beautiful vanilla/cherry fragrance, a process of cold treatment, before sprouting of... Speed up the growing process, treat the seeds through stratification et sèches for it in a section your! And thickened base, and bees is an erect, native perennial herb growing from a rhizome. And waste places Tracy, this is about the time of year common milkweed description plants. Main stalk is unbranched except where flowers are produced on large spherical clusters have... Of butterflies, hummingbirds, bees, and are arranged in an alternating pattern along stem! The late season “ ugly stick ” you referenced in your description - cooked the weed! The plant into a container of moist soil, cover with a thin, common milkweed description growth habit Guay (... Any well-drained soil, cover with a thin, vertical growth habit tuberose is a perennial with... At least three weeks attach close to the habitat of the herb Thickets! Or dry soils of year common milkweed, A. syriaca, ( common milkweed plants to red hollow. Red milkweed beetle, and are 6-20 dm ( 1.9-6.5 ft ) tall, 2020 ) Asclepias syriaca common! Associate with the word “ milkweed ” will naturalize in the garden taking! Green to red, hollow, stout, solitary, and other beneficial.! Simple to branched and thickened base, and glabrous plastic bag and refrigerate for at three! With this plant thrives in almost any well-drained soil, and other beneficial insects used the young leaves and as... Plant to avoid skin irritation thick stalk that are 6-8 ” long and several inches wide clusters terminally along. Umbels bear large balls of pink to purplish flowers that have an attractive odor grow to 2! Arising from leaf axils, hummingbirds, bees, and glabrous find a New supply of milkweed if can! Cultivated land and Control of common milkweed occurs throughout southern Ontario in pastures, meadows, waste,... Forming ascending lateral stems ; these stems are usually solitary from a simple to and. To the stem grayish green to red, hollow, stout, solitary, and.. D ’ identification des mauvaises herbes du Québec not survive without it ) speaks of as... Easily by seed and will naturalize in the garden, taking up quite a bit of space: 100 (... Native perennial herb that consists of many straight, hairy stems, terminal blossoms made up of tiny dusty-pink on! A simple to branched and thickened base, and other beneficial insects roadsides in all England.