do NOT use this picture
Monarch_caterpillar_on_Asclepias_syriaca_Sep_MMF
Predators usually heed the warning colors of the monarch caterpillar
(Danaus plexippus) on host Asclepias syriaca (common milkweed) in September.
Photo © Mary Free
Master Gardeners of Northern Virginia
Promoting environmentally sound gardening practices for over 35 years!
