With vigorous debate surrounding the health of the monarch butterfly, new research may have answered the biggest question plaguing butterfly researchers. Why are the wintering populations declining ...
The caterpillars are eating available milkweed. As a neat aside, the garden staff counted 10 additional species of butterflies in the Certified Butterfly Garden in addition to the monarchs.
Planting flowering plants—but not tropical milkweed—along the migration path won't hurt and may provide a source of nectar for traveling butterflies. "One of the best things people can do to ...