6 Fascinating Milkweed Facts You Should Know

Monarch Butterflies Need Milkweed to Survive

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Milkweed is the one and only host plant for monarch caterpillars and butterflies, which prefer local, native varieties. Avoid growing non-native tropical milkweed. When you’re done reading these milkweed facts, find out if milkweed is poisonous to people and pets.

Milkweed Also Attracts Other Butterflies

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Though monarchs are the most well known, two other orange-and-black butterflies in the U.S. use milkweed as a host plant: queens and soldiers.

Meet the milkweed tussock moth and caterpillar.

There’s Over 100 Milkweed Species to Grow

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You can find more than 140 species of milkweed (Asclepias spp.) in nature. Look for common milkweed, butterfly weed and swamp milkweed. Plant showy milkweed in arid conditions.

Is honeyvine milkweed an invasive plant?

The Rarest Type of Milkweed in the Americas

Prostrate milkweed (A. prostrata) is endangered. Only 24 populations of this plant remain in South Texas and northern Mexico. Are monarch butterflies endangered?

Should gardeners remove milkweed bugs? Plus, here’s how to get rid of aphids on milkweed plants.

What Do Milkweed Flowers Look Like?

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Milkweed flowers typically have five downward-facing petals, and an upward-facing corona made up of five hoods.

Check out more nectar-rich monarch butterfly flowers you should grow in your garden.

Milkweed Floss Saved Sailors’ Lives

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Share this one of our milkweed facts with history lovers. The floss from two bags of ripe milkweed pods (40 lbs. total) could fill one life jacket for World War II sailors.

Next, learn how to collect milkweed seeds.