Asclepias syriaca Common Milkweed Seed and Potted Plants
(uh-SKLEE-pea-us  SIR-i-a-ca)

Potted plants are available

Easyliving Native Perennial Wildflowers
Native Wild Flower Seed and Plants for Home Landscaping and Prairie Restoration


photo by cj 

Habitat Bloom
Color Height
Moisture Plant
Asclepias syriaca, Common Milkweed flower photo with tiger Swallowtail butterfly asc.sy1.jpg (24436 bytes) Sun to
light shade
Pink to
36 - 60 Average 18 to 36


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Asclepias syriaca Common Milkweed potted plants are available $5 each plus boxing and shipping
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 Asclepias syriaca seed
  Common Milkweed seed

number of seeds

approximate coverage
in square feet

1 packet -  $2.50 + shipping

 100 20 sq ft

1 ounce - $26.00 

 3,000 150 sq ft

1 pound -----------

 48,000 2400 sq ft

Asclepias syriaca, Common Milkweeds, are a favorite nectar source for butterflies and are host plants for caterpillars including  Monarch butterfly larva.  A stout plant with large leaves, large pink flower clusters and a strong fragrance reminiscent of Lilacs, Common Milkweed is a wonderful horticultural plant for landscaping to attract butterflies.  It is a good choice for sunny flower beds, very attractive and easily controlled, but becomes weedy in farmers fields.  No pretreatment is needed for seed germination.  Other common names for asclepias syriaca include Virginia-silk, algodoncillo, silky swallowwort, herbe à la ouate, Seidenpflanze.  Common Milkweed plants grown from seed under good conditions will bloom the second year.  

Alternative Names  - Virginia-silk, algodoncillo, silky swallowwort, herbe à la ouate, Seidenpflanze


Warning: Milkweed may be toxic when taken internally, without sufficient preparation.

 Ethnobotanic: People have used milkweed for fiber, food, and medicine all over the United States and southern Canada.  Milkweeds supply tough fibers for making cords and ropes, and for weaving a coarse cloth.  Milkweed stems are collected after the stalks senesce in late fall-early winter.  The dried stalks are split open to release the fibers; milkweed fibers are sometimes mixed with fibers of Indian hemp (Apocynum cannabinum).  The bark is removed and the fibers released by first rubbing between the hands and then drawing the fibers over a hard surface.  Twisting the fiber opposite each other and twining them together forms the cord.  Often this is accomplished by rolling the fibers on the thigh while twisting them together.

 The young shoots, stems, flower buds, immature fruits, and roots of butterfly milkweed were boiled and eaten as a vegetable by various indigenous groups of eastern and mid-western America.  The Meskwaki steam the flower buds as a food source; they are nutritious but not considered very flavorful.

 The Cherokee drank an infusion of common milkweed root and virgin’s bower (Clematis species) for backaches (Moerman 1986).  The Cherokee, Iroquois, and Rappahannock used the sap to remove warts, for ringworm, and for bee stings.  The Cherokee used the plant as a laxative, an antidote for gravel and dropsy, and an infusion was given for mastitis.  The Cherokee took an infusion of the root for venereal diseases.  The Chippewa made a cold decoction of common milkweed root and added it to food to produce postpartum milk flow.  The Iroquois took an infusion of milkweed leaves for stomach medicine.  A compound decoction of plants was taken to prevent hemorrhage after childbirth by the Iroquois.  The Menominee ate the buds or a decoction of the root for chest discomfort.  The Ojibwa used the root as a female remedy.  The Potawatomi used the root for unspecified ailments.

 Common milkweed was used by the Meskwaki as a contraceptive (Kindscher 1992, Erichsen-Brown 1979, De Laszlo and Henshaw 1954).  A Mohawk anti-fertility concoction was prepared by boiling a fistful of dried, pulverized milkweed and three jack-in-the-pulpit rhizomes in a pint of water for 20 minutes.  The infusion was drunk at the rate of one cup an hour to induce temporary sterility (Kindscher 1992).

 Milkweed species as a group are known to contain cardiac glycosides that are poisonous to humans and livestock, as well as other substances that may account for their medicinal effect.  Resinoids, glycosides, and a small amount of alkaloids are present in all parts of the plant.  Symptoms of poisoning by the cardiac glycosides include dullness, weakness, bloating, inability to stand or walk, high body temperature, rapid and weak pulse, difficulty breathing, dilated pupils, spasms, and coma.

 Wildlife: The cardiac glycoside in milkweed has also been useful as a chemical defense for monarch butterflies (Danaus plexippus).  Chemicals from the milkweed plant make the monarch caterpillar's flesh distasteful to most predators.  Monarch butterflies are specific to milkweed plants; this is the only type of plant on which the eggs are laid and the larvae will feed and matures into a chrysalis.  Eggs are laid on the underside of young, healthy leaves.  Monarch, Queen, and Viceroy butterflies are Müllerian mimics; all are toxic, and have co-evolved similar warning patterns to avoid predation.  Milkweed species are attractive to many insect species, including the large milkweed bug, common milkweed bug, red milkweed beetle, blue milkweed beetle, and bees.  Accordingly, this is a wonderful horticultural plant for landscaping to attract butterflies (particularly monarchs), whose numbers are declining and migratory routes changing due to lack of appropriate habitat.

 Description - General: Milkweed Family (Asclepiadaceae).  Common milkweed (Asclepias syriaca) is a perennial herb growing from a deep rhizome. The hairy stems are usually solitary from a simple to branched and thickened base, and are 6-20 dm (1.9-6.5 ft) tall.  The opposite leaves have broadly ovate to elliptic blades that are 10-20 cm (3.9-7.9 in) long and 5-11 cm (1.9-4.3 in) wide.  The leaves are sparsely hairy above and densely hairy below, and the petiole is 0.2-1.4 cm (0.08-0.77 in) long.  The inflorescence occurs in the upper leaf axils, and there are 20-130 flowers per inflorescence.  The flowers are small, 11-17 mm (0.4-0.7 in), and bloom from May to August.  The five petals are green to purple-tinged, and are topped by a crown of five erect lobes that are rose to purple, rarely white.  The fruits are spindle-shaped follicles covered with soft hairs.  The small, round, hairy seeds are 6-8 mm (0.2-0.3 in) in diameter.

Distribution: For current distribution, please consult the Plant Profile page for this species on the PLANTS Web site.  This plant grows throughout the Great Plains ecoregion from southern Canada south to NE Oklahoma, NW Georgia, and Texas, and east from North Carolina to Maine.

 Establishment - Adaptation: Common milkweed grows in sandy, clayey, or rocky calcareous soils.  It occurs along the banks or flood plains of lakes, ponds, and waterways, in prairies, forest margins, roadsides, and waste places. This species hybridizes with showy milkweed (Asclepias speciosa).

Common milkweed is easily propagated by both seed and rhizome cuttings.  Both seedlings and cuttings will usually bloom in their second year, although cuttings will occasionally bloom during their first year.  Seeds and plants are available from many nurseries.  Common milkweed increases by underground shoots and can be invasive.  It is ideal in semi-dry places where it can spread without presenting problems for other ornamental species.

Propagation from Cuttings: Propagation by cuttings of the tuberous rhizome is easy and reliable.  The cuttings should be made when the plant is dormant.  Each piece of the rhizome should have at least one bud (they are about two inches apart).  Timing of propagation is important.  Harvest or divide plants and get the plants in the ground by late fall so they can develop enough root growth to survive the winter.  Irrigation the first year will improve survival, and by the second year the root system should be well enough established so plants will survive on their own.

 Both seedlings and cuttings will usually bloom in their second year, although cuttings will occasionally bloom during their first year (Kindscher 1992).

 Propagation from Seed: Common milkweed is easily propagated from seed.  Process as follows:

1) Collect seeds after the pods have ripened, but before they have split open.  The seeds are wind dispersed, so be careful when gathering to place in a paper or burlap bag to avoid losing them.

2) Eliminate weeds before planting.  Strip off any sod. Cultivate the soil to a fine tilth, firm the soil by treading or rolling, and rake lightly.

3) Seeds can be directly sewn into the ground in the fall.  Sow the seed mixture (with fine sand for even distribution) at a rate of 1/8 oz per sq. yd (4 g per sq. meter) or as advised.

4) If planting in flats or in a greenhouse, common milkweed seeds should be cold-treated for three months.

5) The seed is very viable.  It is not certain how long you can store the seeds and maintain their viability.

6) During the first summer, weed invasive plants and water as needed.


Milkweed is burned in the fall to eliminate dead stalks and stimulate new growth.  Burning causes new growth to have taller, straighter stems (with longer fibers).  It also stimulates flower and seed production. 

When used for fiber, milkweed is collected in the autumn after the leaves have begun to fall off, the stalks turn gray or tan, and the plant dries up.  If the milkweed stems will break off at the ground it's time to harvest.  Breaking off as many stalks as possible encourages resprouting in the spring.  The dried stalks are then split open and the fibers are twisted into string.  Vast quantities of fiber plants are required for nets, regalia, and cordage.

Occurs naturally in prairies, fields, pastures, and roadsides from Indiana and Illinois, to Iowa, Missouri, Nebraska, Kansas, and Oklahoma. , Asclepiadaceae (Milkweed Family)

The map below shows areas where Asclepias syriaca, Common Milkweeds grows wild but it can be planted and will grow over a much wider area than shown.  
USDA plant hardiness zones 3 to 8.

Asclepias syriaca
Common Milkweed


New Hampshire
New Jersey
New York
North Carolina
North Dakota

Rhode Island
 South Carolina
South Dakota
West Virginia

State Distributional Map for Asclepias syriaca native wildflower seed



Use the chart below for shipping charges on Asclepias syriaca, Common Milkweeds flower seeds
 to order copy and mail the order form
or email questions, comments and orders to

please contact us by email for shipping charges on Asclepias syriaca, Common Milkweeds potted plants

The minimum seed order amount is $10, this can be a combination of different seeds.

subtotal for flower seeds 

shipping charge for seeds

seed orders up to  $20.00    =  

 $4.00 shipping

$20.01 - $50.00    =  

 $6.00 shipping

$50.01-$100.00    =  

 $7.50 shipping

over $100.00    =    7.5 % of subtotal


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 Easyliving Wildflowers
PO Box  522
Willow Springs,  MO.  65793
Phone 417-469-2611 

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Asclepias syriaca, Common Milkweeds Plant distribution map complements of USDA, NRCS. 2001. The PLANTS Database, Version 3.1
  ( National Plant Data Center, Baton Rouge, LA 70874-4490 USA.