Asclepias syriaca (Common Milkweed) [20 Seeds]


Germination Information: I recommend these seeds for experienced seed-starters only, because they may require some patience. The easiest approach is to surface-sow (do not cover) the seeds in fall to late winter, setting them outdoors in a spot protected from mice so they can get a chilling period and then germinate when conditions are right in spring.

If you sow after February, set the pot in a plastic bag in your refrigerator for about a month before moving it to a warm, bright place for germination. (Remove the bag if the pot will be exposed to any direct sun.)

It is possible that these seeds could germinate if you sow them in warm, moist, bright conditions. But if you try that and no seedlings appear within 3 weeks or so, then try the refrigerator-chilling approach above before moving them back to warmth and light.

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Common milkweed (Asclepias syriaca) produces stout, upright stems usually 4 to 6 feet tall, with clusters of fragrant pink flowers in summer. It can spread vigorously by creeping rhizomes but is worth growing in an out-of-the-way spot as a host plant for monarch butterfly larvae. This U. S. native also attracts a variety of beneficial pollinators. It’s so important to grow this plant, wherever you can. Full sun. Perennial; Zones 4 to 9.

Collected in September and October 2020. Provenance is Bucks County, PA (seeds are from wild plants growing in my meadow). At least 20 seeds.


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