Milkweed

Question

I live in Massachusetts. When can I safely cut back common milkweed so not to destroy any monarch eggs etc.

Answer 1

Wait till after the first couple of freezes to be sure no caterpillars are still on the plants. Eggs and caterpillars won't survive a freeze. You also can wait till spring to cut back what doesn't die back. Here is more:

https://www.gardeningknowhow.com/ornamental/flowers/milkweed/growing-milkweed.htm