Butterfly Bush Dying After Planting. Another one of the common butterfly bush diseases is rhizoctonia a fungal root rot that makes leaves yellow and drop and destroys the roots. They then send out new growth from the roots in the spring.
Information On Butterfly Bush Pruning from www.gardeningknowhow.com
Avoid over application of high nitrogen fertilisers. While the butterfly bush is a delight for most gardeners it can be a sore point if the bush appears to be dying. In the first year after planting these bushes need regular water to develop strong roots.
Try gently twisting a stem around your finger if it snaps off its probably dead but if it bends its probably.
In California where the climate is milder the butterfly bush does not die back during the winter. After theyre established these plants are relatively drought-tolerant. They then send out new growth from the roots in the spring. Gardeners suggest deadheading the marked flowers by cutting the stem below it.
