Delphinium Leaves Dying and Turning Brown

kbappert added on July 25, 2015 | Answered

Why are some of my delphinium leaves dying and turning brown? Their stems are brown all the way to the ground. This happened after a spectacular round of blooms.

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Certified GKH Gardening Expert
Answered on July 27, 2015

This could be caused by watering issues, to much or to little.
If the plants are to dry they may be dying down prematurely. If the ground is wet and excessive damp conditions it can cause root rot.
I would trim away the dead material and treat the plants with Neem Oil. This acts as both an insecticide and fungicide. Stressed plants can invite both.
Here are a few article for you.

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