The milkweed plant (Asclepias spp.) plays a critical role in the monarch life cycle. Each spring Monarchs move across the United States, laying eggs on native milkweed, the only plant that serve as food for newly hatched monarch caterpillars.
Asclepias asperula (Spider Milkweed, Antelope Horns) is native to Arizona and regions in the Southwest, and grows well in large portions of the Midwest. Click here to see its habitat map.
These seeds were produced in Yavapai County in Arizona. See our article -Growing Milkweed for the Monarch Butterfly- for complete details.
Want better germination, or can't wait to plant your Milkweed seed? Our friends at Painted Lady Vineyard and The Xerces Society have provided these detailed instructions to cold soak and stratify your milkweed seeds to get better and faster germination! Milkweed Seed Germination Procedures has all the details.
Perennial and hardy to Zone 7. Plants grow 1-3', producing large flower heads and large green seed pods that look like antelope horns.
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