Species PlantsGreen Antelopehorn

Green Antelopehorn

Asclepias viridis

UncommonPlant
Illustration of Green Antelopehorn (Asclepias viridis)

Green Antelopehorn is a distinctive milkweed with large, greenish flowers and broad leaves. It is an important food source for monarch caterpillars.

Habitat
Grows in prairies and open fields, especially in the southern United States.
Diet
Monarch butterflies lay their eggs on it, and caterpillars feed on its leaves.
How common
Uncommon

Best time to see a Green Antelopehorn

The best time to see a Green Antelopehorn is April–May, when about 62% of U.S. sightings happen, based on 28,758 research-grade iNaturalist observations.

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