We have been encouraging our backyard milkweed to grow ever since we moved over five years ago. I have friends who have issues with the aggressive growth of milkweed. We don’t have this problem. We ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed. A monarch butterfly gliding over a field on ...

Maybe science has misunderstood the dining style of big monarch butterfly caterpillars. What insect watchers have called defense against the toxic latex a milkweed plant oozes may not be avoidance at ...

Monarchs, as caterpillars, prefer the leaves of milkweed. Milkweed produces glycoside toxins to deter animals from eating them, monarch have evolved immunity to these toxins. When they feed, monarch ...

When oleander aphids infested tropical milkweed, monarch butterflies laid fewer eggs on the plant, and the caterpillars developing on those plants were slower to mature. Many gardeners will tell you ...

Milkweed plants purchased at retail nurseries across the United States were contaminated with pesticides harmful to monarch caterpillars that rely on milkweed, a study led by researchers at the ...

Kay MacNeil, of Frankfort, describes herself as “a seriously deranged lover of caterpillars and butterflies.” As a child, she came down with a terrible rash on her arms. Her family physician ...

Oliver Hernandez poses with a common milkweed plant in his front yard in 2020. A tiny, young monarch caterpillar and even tinier monarch eggs are visible on the underside of a leaf. Across the Midwest ...

Higher temperatures may make monarch butterflies more vulnerable to parasites, according to new research from the University ...

Many gardeners will tell you that aphids are the bane of their existence. According to a new study from the University of Florida, these tiny pests also pose problems for the iconic monarch butterfly.