Curious problems with Chinese elm and Dawn redwood. (Drop of leafs in summer and dry tips)

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Curious problems with Chinese elm and Dawn redwood. (Drop of leafs in summer and dry tips)

Post  Yazia on Sat Aug 05, 2017 7:10 pm

Hello everyone, in order to lay it down in a less complicated way i'll explain the problems and info on their history and then what I think might be the problem. Please give me input on what you might think the problem is.

I moved houses and had to re position all my plants, both used to get west southern light with more than 8 hours of direct light (Im in the northern hemisphere) and even though it seems like a lot they both enjoyed it for 4 years especially the chinese elm, but since i moved i had to put them in an area that gets about 4 hours of direct eastern sunlight.

After a while from the move :

-Chinese elm- The chinese elm started dropping leaves first it started slow then it dropped almost like how it drops leaves in fall but i didnt panic as much since there was a loooot of new buds growing on all the branches. But after they grew i noticed that the leaves are 3 times the size of
the older ones and are much brighter green then i noticed some of the new buds died off and some new leaves fell again but there is still growth
here and there. Its like the plant is trying its hardest to grow but they keep falling.
 
Now the current situation is a good amount of long new shoots and alot of buds dead and alive and in one area of the plant it seems more baren than the other areas with a greater amount of dead buds.

Personally i think the only problems i can see my plants facing are -extreme heat since this summer is abnormally hot or the sudden decrease in  sunlight or requires a repotting (it hasn't been repotted in a long time) or some pest inside the soil.

-Dawn redwood- Same situation (Was moved from one place to another) But this one has at the end of every branch dry tips and when i cut them off new shoots grow for a while before there tips to dry off and in some areas new shoots dry directly without reaching a good length.

This one seems a lot less serious than the elms and i think it might just be heat.


Please I would appreciate your opinion and help especially with the elm, its one of my favorite plants. Thanks a lot.


Last edited by Yazia on Sat Aug 05, 2017 7:10 pm; edited 1 time in total (Reason for editing : Added a bracket)

Yazia
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Re: Curious problems with Chinese elm and Dawn redwood. (Drop of leafs in summer and dry tips)

Post  Dave Leppo on Sun Aug 06, 2017 1:15 am

I have a Dawn Redwood that also had dry tips. I had moved it from the porch to the yard tables. It also had Japanese Beetles around the same time. I trimmed off the worst looking foliage ,and it looks fine now, about two months later. It's slightly shadier in the yard where it is now. I just got this tree last fall, and shortened the trunk this spring. the drying happened well after the tree recovered from the trunk reduction.
So, I don't have a reason to suggest, just similar experience. Don't know about the Ch. Elm.

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Re: Curious problems with Chinese elm and Dawn redwood. (Drop of leafs in summer and dry tips)

Post  Yazia on Sun Aug 06, 2017 6:16 pm

Thank you for your reply! I seeee I dont think there is much in common other than a decrease in the amount of light it gets but I don't see how that could cause dry tips. Maybe its just overall stress ?

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Re: Curious problems with Chinese elm and Dawn redwood. (Drop of leafs in summer and dry tips)

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