care for frostbitten hornbeam trees

My 12 year old hornbeams have now been bitten twice by the frost, each time losing some stems – once 7 years ago, and more recently this past Mother’s Day. Several small stems have been lost, but more disconcerting is that the leaves mostly have a yellowish tinge, without the beautiful green that we’re used to. What should I be doing to save the trees?

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1 Comment To "care for frostbitten hornbeam trees"

#1 Comment By Downtoearthdigs On 07/23/2015 @ 2:38 pm

Yellowing leaves indicate a stressed tree, usually a watering issue.
To much or to little. If it has been dry I would compensate and water the tree to help it through the warmest part of the summer.
Also mulching can help. 2 to 3 inches of a hardwood mulch will help retain moisture.
Watch for signs of insect or fungus in the stressed tree.
You could apply a light fertilizer now, but nothing to high in Nitrogen. Look for a balanced formula. 10-10-10.
Then in late fall or early spring reapply again.

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