Milkweed In Winter. These can be identified by their characteristic milky white sap which can be found within the stems and leaves. However when you are deadheading or pruning milkweed always keep a careful eye out for caterpillars which munch on the plants throughout the summer.
This is a concern for those living in warm weather regions where tropical milkweed doesn t die back during winter. In summer spent milkweed flowers can be deadheaded to prolong the blooming period. However when you are.
However when you are.
This is a concern for those living in warm weather regions where tropical milkweed doesn t die back during winter. If you already have tropical milkweed in your garden prune the milkweed stalks to about 6 inches in height during the fall and winter months to discourage monarchs from establishing winter breeding colonies. Milkweed is an herbaceous perennial and the asclepias genus includes more than 100 species native to the us and canada. While milkweed is needed in large numbers to support and expand the monarch butterfly population we do not recommend planting tropical milkweed and further suggest milkweed of any.