Native milkweed plants — the kind good for butterflies — are coming out of dormancy and starting to sprout, so be patient. Southern California gardeners should be able to buy narrow-leaf ...

Both the milkweed tussock and the monarch caterpillars eat the cardiac glycoside-laden milky sap of milkweed and have evolved mechanisms to retain those toxins in their bodies after metamorphosing ...

In 2020, around Thanksgiving, a total of fewer than 2,000 monarch butterflies were counted at around 250 overwintering sites where they have traditionally been counted in the state of California.

Because milkweed, the single host plant of the monarch’s larval form, has been nearly wiped out by agriculture, development and pesticides. This has led to a decline in the monarch butterfly by ...

Monarch butterflies (Danaus plexippus) of North America are making a miraculous comeback despite global warming, habitat destruction and drought.In winter 2021, Western monarchs overwintering in ...

Monarch butterflies love milkweed. Preserving it will be key to saving butterfly populations. By Philip Kiefer. Published May 20, 2021 6:00 AM EDT. An eastern monarch butterfly.

Monarch butterflies depend on milkweed and its close relatives to complete their life cycle. The study’s findings suggest that when aphids attack tropical milkweed, ...

Monarch butterflies depend on the milkweed to survive, but other insects also call it home By Kathy Huber , Garden Editor, Houston Chronicle Updated Sep 19, 2014 5:16 p.m. Assassin bug nymph ...

Milkweed is abundant in local nurseries as monarch enthusiasts seek to increase the declining population and backyard gardeners try to lure the famous flutterers. But critics say this non-native ...

Planting milkweed in Arizona and other locations could help monarchs thrive Every autumn, millions of monarch butterflies migrate south to the forested uplands of central Mexico's Sierra Madre ...

Instead of nipping milkweed to drain the plants’ defensive sap, older monarch caterpillars may seek the toxic sap. Lab larvae guzzled it from a pipette.