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Thujopsis dolobrata
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Posted by kman04 z6 KS (My Page) on Fri, Nov 10, 06 at 20:01
| Does anyone grow this tree in the Eastern US? If so, how large has yours gotten? How tall and wide? I know in the wild they say they can grow up to 50' and 20' wide, but I was curious about cultivated size in the Eastern US specifically.
Thanks for any feedback. |
Follow-Up Postings:
RE: Thujopsis dolobrata
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| In the wild, it reaches 30m tall; the UK champion is 25m tall. It should do well in the wetter parts of the eastern US - my guess for the best growth would be somewhere like the Great Smoky Mts. Kansas . . . hmmmm, I'd fear it would be a bit too dry for it there. It is best regarded as a temperate rainforest tree. Resin |
RE: Thujopsis dolabrata PS
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| PS spellcheck: dolabrata Resin |
RE: Thujopsis dolobrata
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| Well, we average about 1016mm(40") of rain a year in my part of Kansas. Also, I have plenty of hose to water with. I'm just trying to figure out how big this tree my get for me and how big it gets in other parts of the US. I guess the Gymnosperm Database is just listing the average maximum height in the wild as 50'. |
Here is a link that might be useful: Gymnosperm Database entry for Thujopsis
RE: Thujopsis dolobrata
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Nobody?
I guess I didn't realize how rare it must be! |
RE: Thujopsis dolobrata
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| Hi Kman, All the decent ones in Britain get at least that much or more rain, but are able to benefit from it more, as summer temperatures are about 10°C lower so evaporation and transpiration stress are much less. For it to do well with your summer temps, I'd guess you'd need more like 1500mm / 60" Resin |
RE: Thujopsis dolobrata
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| Hi Resin, Thanks for the info. I think I can manage an extra 20" of water a year for this tree, but I'm still wandering how big of an area do I need to plant it. Cultivated sizes are usually very different than wild sizes, especially when their native range climate/soil is so potentially different than my climate/soil etc. I'm sure it will grow for me, just don't know how big to expect it to get. |
RE: Thujopsis dolobrata
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| Well, I grow this plant, but don't have much to contribute to the original question as mine is so young. Summers in central Virginia are humid and increasingly dry and the little tree has done well in fairly heavy shade on the edge of a woods. Only occasional supplemental water. I have planted it then moved it once without any problems. Mine is so young, however, that I don't know how to advise the original poster--its only two to three feet tall at this point. Beautiful thing, though, and I hope you try it. |
RE: Thujopsis dolobrata
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| These are Thujopsis dolabrata located in Washington, D.C. at the US National Arboretum and while I don't know their climate other than they are in USDA Zone 7 (which really doesn't mean "jack") - I'm not able to comment on any other climatic issues such as rainfall or temperature: Thujopsis dolabrata (May 2006)
 Thujopsis dolabrata 'Variegata'
 Dax |
RE: Thujopsis dolobrata
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| Hi Dax, Thanks for the photos - just to comment, that tree is very sparse and open (and with rather a lot of dead foliage too) by the standards of UK specimens. Large trees in Britain, you can't see the sky through them at all. Resin |
RE: Thujopsis dolobrata
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| Thank you Dax for the great photos. How tall and wide would you estimate that tree is? It's kind of hard for me to make a good guess. I imagine my climate is similar to Washington D.C., except a little colder in the winter and a little hotter in the summer. That of course could be enough to have a big effect on some plants, but not on most I've found. |
RE: Thujopsis dolobrata
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| We live in zone 5, borderline 6 due to proximity to Lake Michigan in Illinois. We planted a small (2 1/2 foot) specimen last fall and this spring it has a lot of dead folliage. Any ideas? The soil has some clay but we enriched it with a lot of compost. |
RE: Thujopsis dolobrata
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| Hi Its a Z5 tree however as its a small plant it maybe less hardy it will come away again. |
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