Butterfly Weed Plant Pests. Reduce the risk of crown rot by planting your butterfly weed in a hole with the crown set just slightly above the soil line. A terrific little book was written about these many insects.
Reduce the risk of root rot by increasing soil drainage and by taking care not to. If you grow your butterfly weed in a very wet location crown and root rot can be an issue. If you want more plants around your garden collect the seeds as they ripen and lay them down in the fall in the area s you want new plants.
Pests on butterfly weeds.
It may look like an army of insects on your plants but don t worry at this time of year in early fall these pests are more unsightly than harmful. A terrific little book was written about these many insects. If you grow your butterfly weed in a very wet location crown and root rot can be an issue. Milkweed monarchs and more.