https://milkweedusa.com/ A free field guide to every milkweed species in the United States: identification, range maps, bloom times, seed germination and monarch habitat guidance. en-us https://milkweedusa.com/guides/how-to-plant-milkweed-seeds/ https://milkweedusa.com/guides/how-to-plant-milkweed-seeds/ Milkweed seed is easy once you understand one thing: most species will not germinate until they think winter has happened. Everything else is detail. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/when-to-plant-milkweed/ https://milkweedusa.com/guides/when-to-plant-milkweed/ There are two good windows for milkweed and one bad one. Fall suits seed; late spring suits plants; midsummer suits almost nothing. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/collecting-milkweed-seed/ https://milkweedusa.com/guides/collecting-milkweed-seed/ Time the harvest wrong by a week and the seed either is not ripe or is halfway across the county. Here is how to get it right, and how to de-floss a pod in thirty seconds. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/monarchs/ https://milkweedusa.com/monarchs/ A monarch caterpillar can eat milkweed and nothing else. Remove milkweed from a landscape and you remove monarchs from it. That is the whole conservation story in one sentence. Monarchs Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/tropical-milkweed/ https://milkweedusa.com/guides/tropical-milkweed/ It is the most widely sold milkweed in America and, south of the frost line, the most damaging plant a monarch gardener can buy. Monarchs Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/milkweed-pests/ https://milkweedusa.com/guides/milkweed-pests/ Almost nothing you find on a milkweed needs killing. The bright orange aphids are the exception people ask about most, and even they rarely matter. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/identify/ https://milkweedusa.com/identify/ Every milkweed shares one unmistakable flower structure. Learn to read it and the genus becomes obvious; after that, leaves and habitat do the rest. Identification Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/milkweed-lookalikes/ https://milkweedusa.com/guides/milkweed-lookalikes/ Milky sap is not enough. Several unrelated plants bleed white, and two of the lookalikes actively kill monarch caterpillars. Identification Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/is-milkweed-poisonous/ https://milkweedusa.com/guides/is-milkweed-poisonous/ Milkweed is genuinely toxic, but the practical risk in a garden is low. The species that cause real harm are the narrow-leaved ones, and the usual route is contaminated hay. Safety Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/milkweed-pollination/ https://milkweedusa.com/guides/milkweed-pollination/ Milkweed does not shed loose pollen. It packages it into saddlebags that clip onto an insect leg like a piece of luggage, and it does this so awkwardly that fewer than one flower in a hundred sets seed. Identification Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/monarch-waystation/ https://milkweedusa.com/guides/monarch-waystation/ A monarch garden is three things: enough milkweed to raise caterpillars, enough late nectar to fuel the migration, and no pesticides. Everything else is refinement. Monarchs Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/buying-milkweed/ https://milkweedusa.com/guides/buying-milkweed/ The two things that matter when buying milkweed: is it native to your region, and has it been treated with systemic insecticide? Everything else is preference. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/growing-milkweed-in-containers/ https://milkweedusa.com/guides/growing-milkweed-in-containers/ Milkweed in a pot is entirely possible if you respect one thing: these are deep-rooted plants, and depth matters more than width. Growing Sat, 01 Aug 2026 09:00:00 GMT https://milkweedusa.com/guides/milkweed-community/ https://milkweedusa.com/guides/milkweed-community/ Monarchs are the famous tenant, not the only one. Roughly a dozen insects in North America eat milkweed and almost nothing else, and most of them wear the same orange and black warning colors. Ecology Sat, 01 Aug 2026 09:00:00 GMT