A live oak (Quercus virginiana) I planted about 3 yrs ago, now
about 7ft (2m) tall, was not completely uprooted, but slanted
to about 45 degrees, by Hurricane Isabel. I've reset and
staked the tree. I also gave it some superphosphate and
water. What else should I do? We have relatively warm
winters (at least until Jan 1 or so). Would it be helpful to
give it a little nitrogen, now or later? Or not until spring?
Beaufort, NC (on the coast in zone 8a)
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Fertilizing a weak or damaged tree is never a good idea, in my opinion. If
the soil was fine to begin with (not lacking in NPK), if it were my tree the
most I would do now is lay down composted manure, mulch, and let it recover.
I would not fertilize a stressed tree, or any plant for that matter, but since
you already have, and super phosphate is really toxic (IMO IMO IMO) to the soil,
I would say to "right" the tree and water it when dry. During the winter months
it should recover. Do not fertilize it any more.
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