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Hello.

So I have this trident maple for almost two months.
And it's budding nicely since I got it, turns out the temperatures are rising like crazy as we are approaching to summer.

I week ago I made a shade net spot for it, and my Palmatum. And it seems to be liking it, as it budded more vigorously, however it showed some younger leaves with burned tips, and curly borders.

Maybe the hot wind (?).

I've been watering like crazy, it dries real fast, demanding to do so twice a day, or even three times a day.
I think that part of the problem, is that it has a lot of leaves, and that makes it dry faster, pot is looking too small for it.
So I'm planning to slide it to a bigger pot, so it can have more reserve.

Any idea?
Thanks in advance.




(A few burnt buds, on a uncommon triple node. )

Hello Albas,
I'd say nothing wrong with your tree: Trident Maples' new leaves tend to be droopy and curly for a while until they become "adult" and spread out completely.
Be sure you keep it in partial shade to avoid leaf scorching during hot summer months.

How humid is it?
This looks more fungal to me. It for sure is not sunburn, as that would show on the exposed parts of the leaf. In fact, my tridents get full sun all summer and love it. This is a tough maple species.

One of mine had it this year too. Never managed to control it this year as we have had a very wet year.

Thanks for the reply LB.

Well, not too humid these days, around 50%, and its really hot, the palmatum got burned tips a before the trident, a week or two after that the trident maple started to present a few tips dried, couldn't take a good picture (dang camera focus everything but what is supposed to...), but that was the main reason I related on thing to the another, and the more mature leaves seems to be ok, just a few of them have a bit discoloured tip.

That's another thing that leaded, as young leaves are more sensitive.

Those tips on the young leaves are dried, if I press it, it breaks...
You say you had a similar issue? Were the they like that? I mean, dried or soft aspect.

If it's fungal, might be a good moment to treat.

Oh, and to add, o the Japanese maple, it was really clear that when I set the shade net, the leaves changed it's aspect, to a healthier green. And so far, no more burned tips that I noticed.


This is where I keep them, they start to get sun from 8 am tru whole day, you can see how is growing fast for this apical branch, that where noticeable lower a bit more than a week ago, when this pic was taken.

Little update, so today I slided to a bigger (mostly wider) pot without messing the rootball, and I'm glad I did...

Roots are mostly ok, there were a good amount of roots around the pot, and well, being those soft, black, nursery pots, maybe there was a bit with excessive heat going on there...

Turns out that (maybe because of this), the substrate were drying too fast on top (and I mean really dry), while it still wet on the bottom, and few roots in one bottom corner were a bit smelly, and darker... The soil was draining well, but maybe not enough since the holes on those nursery pots aren't that big.

Doesn't seem like a major problem, but I'm happy I saw this on time...
Still gonna pulverize this weekend with Copper Sulphate, just in case, but I think that the peak of fungal diseases around here is gone... (as humidity dropped from 80% we had in September to around 50%)

Thanks you so much for the responses, let's see how it goes.