Black Holly Branches

This fall I purchased four 7-gal. holly shrubs. They look healthy except for all the largest branches are covered in something black (cannot rub it off). Some of the leaves look milky. What is wrong w/the plants and what can I do to make them healthy? They were like this when I bought them. I have planted them in good soil mixed w/a tree and shrub planting mix, peat moss, and some fertilizer. Thanks for your help.

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1 Comment To "Black Holly Branches"

#1 Comment By Heather On 01/05/2014 @ 2:41 pm

This sounds like Holly Tar Spot. This article will help:
https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-problems-holly-leaf-spot-or-holly-tar-spot.htm ^[1]

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