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Old 10th November 2007, 04:42 PM   #3 (permalink)
mdvaden
Over mature heritage tree
 
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Join Date: Feb 2007
Location: Oregon
Posts: 465
Default Re: japanese maple problems

Quote:
Originally Posted by mike adkins View Post
i am lookng for advice on how to save this 50 year old japanese maple. it lives on the coast in north san diego california. its been fertilized & watered but never seems to flourish. here is a representative leaf. %30 of the branches even have leaves. it wont die but wont flourish. any ideas ??
Too bad you didn't know I was in Oceanside several weeks ago - with time on my hands - and that I didn't know about your tree

If your soil was like parts of Seaside, Oregon where it's like 90% sand; maybe a little fertilizer.

If your soil is more soil-like, the fertilizer may not be needed at all, and could be part of the issue.

Somebody in your area must supply mycorrhizal fungi. Call nurseries, call garden centers, call garden clubs. But there must be a supplier - too much agriculture nearby and landscape plants.

Here's my long version of tree feeding...

Tree Root Feeding, Deep Root Feeding. Mycorrizae, Mycorrhizal Fungi. Fertilizer.

Is it in a lawn, or in a shrub bed? Mulch? Mulch is good - even in temperate areas.
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