Monarchs rely on milkweed as the sole host plant for their caterpillars, and without it, their populations struggle to thrive ...

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

Butterflies are vanishing nationwide due to habitat loss, climate change and use of insecticides, according to a new study, ...

Milkweed is the only plant monarch caterpillars will eat, and the adult monarchs will lay their eggs on, according to the National Wildlife Federation. And with a declining habitat, it is ...

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

The chief causes of the decline include habitat destruction, drier and hotter climate due to climate change and insecticide ...

Grow milkweed (Asclepias) to support monarch butterflies, hummingbirds, and bees while adding color, fragrance, and beauty to your landscape. You’ll find native milkweeds throughout North and ...