Milkweed Disease and Fungus
Problems with your milkweed? A few ideas to prevent and treat milkweed disease and not-so-fungus:
Swamp milkweed leaves often turn reddish/purple at the end of the season. This is a normal annual occurrence in some plants. Each spring, the returning plants will have green leaves. More info on:
If you're looking to ID a specific plant fungus/disease, try this group: