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leaves on holly trees turning yellow and falling off

Why are the leaves on some of my holly trees turning yellow and falling off? I have planted a lot of holly trees over the years, along with a number of other species (birch, oak, ash, gean, hazel) in a field of about 2 acres. My land is well drained and south facing. About two years ago, I cut down the trees surrounding one holly trees, which then started to look rather sick, with yellow leaves, some of which fell off. I wondered whether it had become too exposed but I have just seen a second tree whose leaves are also turning yellow and falling off, though this one is still surrounded by other trees. Would be glad to know what I should do.


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1 Comment To "leaves on holly trees turning yellow and falling off"

#1 Comment By shelley On 04/30/2015 @ 3:05 pm

Is this happening only to the outside leaves? I don’t have a full shot of the tree to gauge that.

Every spring hollies go through a normal leaf drop by shedding a percentage of their older leaves (which yellow and drop) as new growth begins. Other reasons for yellowing/dropping include iron chlorosis (caused by poor drainage or soil pH issue) and drought.

If your leaves are only turning yellow on the outside it is probably a root system issue – too wet or too dry or the result of “winter burn”. Winter burn is explained at the following link:
[1]

For additional information on all of the above, please visit the following link:
[2]

For more information on the care of hollies, please visit the following link:
[3]


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URLs in this post:

[1] : http://articles.chicagotribune.com/2012-12-18/classified/ct-sun-1216-garden-qa-20121218_1_water-evergreens-water-vapor-winter

[2] : https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-yellow-leaves.htm

[3] : https://www.gardeningknowhow.com/ornamental/shrubs/holly/growing-holly-bushes.htm

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