On milkweed plants, aphids can be a frequent problem, especially since they serve as the main food supply for monarch butterfly larvae.
Aphids can be manually removed from small infestations by pinching them off or by removing them with a powerful hose jet. The best results come from minor infestations.
Prune off leaves or stems that are severely infected. Aphids should be disposed of appropriately to stop their spread.
To get rid of aphids on milkweed, use a garden hose with a powerful spray setting. This technique helps remove honeydew, a sticky material left behind by aphids,
Incorporate them into your garden. Since they are aphids' natural predators, they can aid in regulating their number. Ladybugs are available online and at garden centers.
Another helpful bug that consumes aphids is the lacewing larvae. You can buy them and release them into your landscape.
Aphidius colemani* and other little parasitic wasps hunt for aphids to put their eggs in. After that, the larvae eat the aphids. You can purchase these and add them to your landscape as well.