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What are some good native Asclepias I can plant in my garden? How can I care for this plant?

Last Updated: Mar 28, 2017  |  0 Views

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There are number of milkweeds (Asclepias spp.) that are native to the Northeast of the United States. Here is a partial list with some comments on their culture:

Common milkweed (A. syriaca). Needs sun and moist shade.

Swamp milkweed (A. incarnata). Shade-tolerant. Needs moist soil.

Purple milkweed (A. purpurascens). Needs sunny, dry location.

Butterfly milkweed (A. tuberosa). Needs sun but is tolerant of both dry and wet conditions.

White milkweed (A. variegata). Will grow in dry conditions. Fairly shade-tolerant.

Whorled milkweed (A. verticillata). Prefers dry soil. Fairly shade-tolerant.

Few-flowered milkweed (A. lanceolata). Sun sun to partial shade. Average moisture.

Poke milkweed. (A. exalata). Full sun to partial shade. Moderate moisture.

Many of these species will probably not be available in your local nursery. They will usually stock A. tuberosa  and A. incarnata but not more unusual species. Plants are available on-line  at e.g. http://shop.milkweedmarket.org/http://shop.milkweedmarket.org/. Milkweed can also be conveniently grown from seeds  Seeds can be ordered from the same company or from: http://www.americanmeadows.com/perennials/milkweed?gclid=CNvvgJyrx9ICFR5MDQodd08I-w.

Milkweed seeds need a cold period before they will germinate (stratification). Mix the seeds with a moist, inert material, such as sand or peat, and keep at 32 -42°F for 3 - 6 weeks. Thereafter sow the seeds in potting soil or garden soil. Warm conditions (65 - 80°F) are best for germination. Milkweed can also be propagated from stem-cuttings. They should not be propagated by division as milkweed plants do not like to be disturbed. Milkweeds are easy to cultivate. Except for swamp milkweeds they prefer average moisture and part or full sun.

Useful websites for more information on milkweeds are::

http://www.americanmeadows.com/perennials/milkweed?gclid=CNvvgJyrx9ICFR5MDQodd08I-w

http://monarchwatch.org/bring-back-the-monarchs/milkweed/milkweed-profiles/asclepias-exaltata/

http://www.ourhabitatgarden.org/creatures/milkweed-growing.html

Courtesy of NYBG Plant Information

Answered by Anita FinkleBookmark and Share

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