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Originally Posted by Napo_v
Hi, I donīt have much experience with japanese maples, but those burns seems to me a lack of potassium, the leafs show the typical potassium deficiency, tips of leaves burnt in a "V"-shapped pattern, that burnt, tend to go all the way to the sides.
I donīt know if that is a common problem in japanese maples, but I think that could be also an explanation for the problem.
Regards,
Napo
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That's possible, but not really likely. It's a bit like hearing hooves and thinking 'zebra!', when it's much more likely to be a horse.
All proprietary fertilizers have a more than adequate NPK. No plant that is fed with any of these is likely to suffer a deficiency in any of the three major nutrients.
On the other hand, it's coming to end of a Southern Australian summer, and the tree has been subject to quite high temperatures and a
very strong sun (compared to say, the UK, and even there, maple leaves can be scorched by the conditions in July/August).
The weight of probability suggests it's just a bit tired at the end of summer. It happens to a lot of trees, even in the UK.
25-Mar-2008
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