Boxwood Shrubs
Q.

what does yellow leaves on my boxwood shrub mean

Zone 4 or 5 not sure | judith18 added on July 13, 2012 | Answered

What does yellow leaves on my boxwood shrub mean?

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Nikki
Certified GKH Gardening Expert
Answered on July 14, 2012

It could be a few things. One is mites. They are too small to see, but do cause damage like that. Another is a fungus. Again, there are several kinds, blight fungus being the most probable cause. Finally, if it's been newly planted, then it could be suffering from transplant shock. Giving it additional water will help with this.

Fortunately, there is an organic solution that treats mites and fungus (and other insect pests, just in case). Treat the affected shrubs with neem oil once a week for a month. Here is more information on neem oil:
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Silverback
Answered on July 14, 2012

Either not enough water, or to much water. Is the boxwood well establish? How old is it? I could better answer this if I had a little more to go on.

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