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Chinese Elms
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digger714
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Chinese Elms - 2010/02/08 00:14 Hello all, i have 3 chinese elm. Ulmus parvifolia 'Corticosa', and Ulmus parvifolia 'seiju'. I went outside today to check for watering, and the elms have started to push new buds out. Hundreds of little green balls. This is my first spring with them. Anyway, its been a unusually cold winter, except for the past week and a half. The temps got up into the mid to high 50's, and i guess this caused them to start budding. None of my others are yet. I guess i need to bring them in and out of the weather if it gets cold at night? or, would it be ok to put them under a grow light until chance of frost is gone? I have a 1000 watt light that came from a nursery i could use if necessary, or if there is a better way, ill go that way. Thanks for any advice.

Brad



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digger714
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Chinese Elms - 2010/02/17 01:10 I am bringing them in at night, and if it stays below freezing during the day, im leaving them under the light. Hope im doing the right thing.



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JesRdKing
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Chinese Elms - 2010/02/17 13:50 Some people bring them in early to start an early spring for the trees. As long as they had a dormancy period it would be ok to let them inside till the weather is nice enough to let them out all the time, no more frost. Just be careful I slowly take my tree's out for the spring allowing them a couple hrs at a time and then bring them back in to acquire the new environment. But hence tree's are a lot more stronger then we make out sometimes. Look at nature they spring back if the frost would get the early buds. Just keep an eye on them they will let you know if they are happy. I now djlen has said to bring his in early for a jump start on spring so he can watch them bud and leaf out. Jesse



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digger714
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Chinese Elms - 2010/02/18 05:02 Thanks alot for reassuring me it should be ok. We have had a really long cold winter, so im sure dormancy was no problem. I am not going to fertilize yet, and they are still getting the same amount of daylight, just not the freezing temps. Thanks again for the info.

Brad



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JesRdKing
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Chinese Elms - 2010/02/18 14:49 Well I wouldn't actually start fertilizing until you have a good bit of leaves actually opened. I don't know what size the tree's are but me personally for mine I will do a low nitrogen to start fertilizing my outdoor trees. I have been reading to actually give them a high nitrogen feeding after the first set of full leaves have developed and you have pruned it starting the second phase of leaves. Especially with Maples (Trident and Japanese) thus keeping the next set smaller.So I figureing probably the end of April or early May. I also read now that you shouldn't fertilize in the hottest days of summer because the tree's somewhat slowdown and go into a little dormant state so I will reavualate maybe not fertilizing this summer in the months July and August just depends on how the weather is this yr.



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JesRdKing
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Chinese Elms - 2010/02/18 14:56 I'm working on 3 yrs for a Chinese Elm that has been strictly indoors all the time I've had it so I will be changing this yr allowing it to go dormanent and thus it will be strictly an outdoor tree again. The funny part is all the reading I have been doing all say that this tree can be grown strictly indoors and it won't affect it and then I talk to others here and they say they know first hand of people only be able to keep them for 6 to 8 yrs and they die because of not giving them the dormancy they need. This is a debateable topic and it has been for a long time so I'm playing it safe and going with the dormancy. I had a nice Jacquelline Hillier Elm that was shaping up nice until the rabbit got it this winter and chewed it off clean down to the soil line. I also got 2 baby tree's from suckers coming up from my Chinese Elm that I'm shaping up now. I want to make some grow boxes for these 2 to go in for awhile to get them some much needed girth.



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