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fargesia jiuzhaigou IV: Ignoring Winter
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Author:  moriphen [ Tue Feb 26, 2013 8:29 pm ]
Post subject:  fargesia jiuzhaigou IV: Ignoring Winter

So here is a short string of photos from our winter season and how this F. nitida relative handles it.

Its December 23rd which means its still Fall:
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Its now Feb 13th and like a good F. nitida seedling my leaves have been closed since 10th of Jan. 2013:
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10 days later on Feb 23rd 2013.. Its Springtime!
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The very next day. Nope False Alarm:
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Author:  Tarzanus [ Tue Feb 26, 2013 9:07 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

Are these leaves fried? I've noticed the same darker coloring on my brand new F. denudata 'Lancaster1'. Leaves that were exposed to cold look a bit ratty, but they don't seem to be fried. That kind of leaf coloring and wilting never occured on my Fargesia murielae, which made me think denudata is suffering. Looks like it could be something they just do, during the winter.

Author:  moriphen [ Tue Feb 26, 2013 11:17 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

Tarzanus wrote:
Are these leaves fried?


No all the leaves are viable, there is some minor leaf damage on some leaves from repeated unfurling. This behavior is a unique adaptation that Fargesia nitida and Fargesia jiuzhaigou do during the winter months. The only thing that is odd about this cultivar is its vigorous nature compared to the other F. jiuzhaigou seedlings.

Author:  Tarzanus [ Sun Mar 03, 2013 4:32 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

Well, that's how my denudata Lancaster1 looked this winter and I've never seen anything like it on Fargesia murieale. Leaves darkened and even get a bit purple, but they remained alive. Most of them at least...

I've read that denudata doesn't fold it's leaves as much as other fargesias. It also shouldn't drop many leaves, yet it did - more than murielae. I guess I'll have to wait several years and recheck if it really is Lancaster 1. It might be variation of jiuzhaigou, because there wasn't a lot of sun exposure last year to show good culm coloring, old culm was yellowish as it should be with both versions. Small leaves make me think it is denudata, though.

Author:  needmore [ Sun Mar 03, 2013 8:43 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

I have F murielae next to F denudata, both look crappy but the F murielae looks much worse, not quite as dead looking at the F nitida on the other side of the F denudata but leaves have dropped and the remaining ones are tightly rolled. F denudata seems to have lots of leaves but they are tightly rolled so I expect it to spring back to looking alive very soon. F nitida look rolled and dead but surely is not, both of mine look like that.

Author:  moriphen [ Sat Mar 09, 2013 12:02 am ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

needmore wrote:
I have F murielae next to F denudata, both look crappy but the F murielae looks much worse, not quite as dead looking at the F nitida on the other side of the F denudata but leaves have dropped and the remaining ones are tightly rolled. F denudata seems to have lots of leaves but they are tightly rolled so I expect it to spring back to looking alive very soon. F nitida look rolled and dead but surely is not, both of mine look like that.


I only too have a F. denudata of unknown but probably most common US variety. Its was planted out from a 5 gallon in 2011 and each winter it drops most of its leaves, I suspect its still adjusting to its environment and I assume in time it will become more hardy.

Author:  johnw [ Sun Apr 14, 2013 2:07 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

moriphen - I wonder if the leaf-drop might be a tissue culture problem. Seems others are having problems with denudata and others not.

johnw

Author:  JWH [ Mon Apr 15, 2013 9:56 am ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

I planted a 1 gallon tissue cultured denudata last summer. I didn't notice any leaf drop or leaf curling over the winter.

The Home Depot store in my area had a huge display of Boo-Shoot Gardens tissue cultured bamboos last summer. They had f.rufa, f.scabrida, f.denudata, c.culeou, b.macclureana and b.angustissima. I picked up a denudata, culeou, macclureana and angustissima from them. All overwintered here fine, it was a mild winter though, so no real test of cold hardiness.

Is denudata a later shooting fargesia? My rufa, robusta and scabrida have been shooting since february.

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Author:  Tarzanus [ Mon Apr 15, 2013 10:47 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

Yes, denudata is normally shooting a bit later. 2 to 4 weeks if weather gets cold after early shooters already take off, difference can be quite noticeable. After normal winters, shoots should emerge in mid to late April. I haven't seen any yet. Fargesia Murielae just started shooting and it's 1 month later than last year. LAst year we've had warm weather with occasional polar winds and extreme cold- this year, only cold and wet weather almost ideal for most of bamboos.

Fargesia denudata 'Lancaster1' lost a lot of leaves and also most of the culms that were "born" in late fall. First few nodes seem to be OK and had just started to grow branches. Shoots are not visible yet, but I'm sure they can't be far away. I hope it starts growing, it looks rather ratty. Murieale on the other hand is looking more than fabulous. Shoots that are poking out of the soil are going to be up to twice as thick as last year. It didn't loose one single leaf due to cold, only a couple of culms got snapped because of large amount of snow, we've had.

Author:  needmore [ Tue Apr 16, 2013 1:58 pm ]
Post subject:  Re: fargesia jiuzhaigou IV: Ignoring Winter

My F jiuzhaigou is small'ish and looks about like this larger F nitida at this point

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Next door the F denudata looks much better

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And although this Pl simonii looks shabby it is the best it has looked in spring, generally top kills, too bad the culms are blocked with leaves the bamboo is interesting as the branches start very high up revealing slender culms with persistent culm sheathes that have some appeal to my eye.

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