It's time to chop down Tropical Milkweed! 🦋 Unlike native milkweeds, tropical milkweed does not naturally die back in the winter. Gardeners must mimic this natural cycle by cutting tropical milkweed to the ground after the migration periods have ceased in order to prevent Monarchs from hanging around when they naturally need to be on their way. Tropical Milkweed MUST be cut down after the fall butterfly migration in San Antonio. We also advise another heavy prune after the spring migration. A m