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Falling Leaves - Because Of Dormancy Or Poor Health?

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Old 10-Dec-2002   #1
jimmygreen
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Falling Leaves - Because Of Dormancy Or Poor Health?

One of my elm trees is acting strange(r than it usually does) lately... I left my elm outside until about the second half of november until the temperatures outside were dropping below 0ºC (30ºF?) The man who i buy my trees from (thogh i did not buy this one from him) told me i could store my elm inside and the rest of my hardy stock in the garage. So far all my elm have retained their leaves (but they are darker and a bit harder than they were in the summer) However, this one elm has lost quite a bit of leaves and i'm starting to worry. First the leaves turned from hard to crunchy and it has come to the point where they'll flake off if i touch the branches. I keep checking by picking off a small bit of bark to see if it's still green beneath, and it is.. just as much as my other trees... So i'm wondering... is my elm very unhealthy or is this just a part of it's dormancy? The room it is currently in is about 60ºF and i mist daily (b/c the leaves look so dry) and i also keep a humidifyer in the room.) What could you recommend i do? I'll attatch some photos i took yesterday of the leaves and the tree...
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Old 10-Dec-2002   #2
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notice how some of the leaves are kind of curling...
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Old 10-Dec-2002   #3
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...and the leaves are sparatic as well...
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Old 10-Dec-2002   #4
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shoots that have lost most of their leaves...
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Old 10-Dec-2002   #5
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any advice would be great
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Old 10-Dec-2002   #6
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Jim, As I have said in the past, My Elms are in my unheated garage in Zone 5b/6a. They have been in there already for a couple of weeks. The temp inside the garage has been in the upper 20's F for at least a week. As for leaves, some are there..some have fallen. I am not concerned. Come next spring the leaves that remain will be pushed off by the new growth.
Thats my take!
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Old 10-Dec-2002   #7
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thanks jay,
i must just be worrying too much. should i remove the rest of the cripy leaves before putting it outside or would it be better to leave them on for the time being?
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Old 11-Dec-2002   #8
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Is your elm Chinese or English? I have Chinese Elms that shed their leaves if the are moved indoor to outdoor and vise versa, but the always regrow in a few weeks
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Old 11-Dec-2002   #9
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My thoughts on the existing leaves is leave them alone. I will sometimes 'blow' hard over the tree to dis-lodge the weak and loose leaves, but would not risk damage to the new buds by removeing the old leaves. The tree will on its own push off the old leaves when the time is correct.

If you have Oaks growing around you in nature, check them out. They will hold there leaves throwout the winter, regardless of the high winds, and not drop them till the spring. If it's good enough for Mother (nature) its good enough for me!
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Old 11-Dec-2002   #10
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If the leaves are still green when they die on the tree like that, it is a result of frost or dehydration (neither is much different to the leaf). The leaves won't come back, but if the tree is healthy, they will be pushed off when new buds form, as suggested above.

In the meantime, try to keep the soil from entering a "Freeze dried" mode by watering whenever the temperature is above freezing and the rootball seems to be drying somewhat.

Regards,

Matt
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