Pecan Tree Struck by Lightning

Dear Dan,

On July 12th, lightning struck a 100 plus year old native pecan tree in my yard. I am watering every 5 or 6 days. I have not been able to find out how much fertilizer to use per inch diameter. How much 8-8-8 or 13-13-13 should I use?

Thanks, Harriet B.

Watering or fertilizing will not save the tree if there was enough damage done to kill it. It will die regardless of your efforts. If there was not enough damage done to kill it, it will survive whether you water or fertilize the tree or not. So, do not put too much pressure on yourself in what needs to be done. Whether or not the tree survives, this is largely out of your hands.

That said, if the tree does survive the strike but there is damage (such as a strip of bark being blown off of the trunk), then fertilizing the tree can help it as it slowly grows tissue to cover the wound in the trunk.

Here's a link to the LSU AgCenter online publication on fertilizing pecan trees that will provide information on amounts to use:

Homeowners' Guide for Fertilizing Pecan Trees in Louisiana

Dan Gill
Consumer Horticulture Specialist

7/28/2015 7:45:01 PM
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