Just as monarchs famously prefer milkweed for food and egg-laying, swallowtail butterflies also have a preferred food as ...

Butterfly milkweed has lots of ornamental appeal. This adaptable milkweed is hardy in many zones and was named the 2017 ...

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

A Pennsylvania butterfly farmer says listing the monarch as a threatened species could do more harm than good.

The contradiction centers around milkweed and conservation planting being done to help monarch butterflies. Monarch caterpillars rely on milkweed. "The monarch butterfly is entirely dependent upon ...

The monarch butterfly population has rebounded from a near record low number in 2024, according to the latest annual survey ...

Experts say that monarchs face risks across North America in large part due to the reduction in milkweed where the monarchs lay their eggs. The plant has been disappearing due to drought ...

WASHINGTON— The annual count of migratory monarchs who spend the winter in Mexico was released today and shows that the ...

How many gardeners that grew milkweed experienced use by monarchs or other butterfly species last year? Do they know what species the other butterflies were? What were the specifics of the ...