Shrubs And Trees
Q.

what spray kills black knot disease on trees

Zone 07006 | remax313 added on June 5, 2019 | Answered

Black knot disease on trees

A.
A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on June 5, 2019

This can be a rather difficult illness! When it keeps coming back, you will need a carefully planned attack method. The key will be persistence.

This article will lay that out for you: https://www.gardeningknowhow.com/plant-problems/disease/black-knot-tree-disease.htm

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