Introduction to Milkweed Milkweed (Asclepias spp.). Its flowers are not only beautiful but also provide nectar, and its leaves are crucial for monarch larvae. Milkweed has several species, with common ones including common milkweed (Asclepias Syriaca), butterflyweed (Asclepias tuberosa), and swamp milkweed (Asclepias incarnata).
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