Cold hardy clumping timber varieties; do they exist?
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Re: Cold hardy clumping timber varieties; do they exist?
Also depends on definition of cold hardy. F Robusta is killed to ground at 0 to +5*F.
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Re: Cold hardy clumping timber varieties; do they exist?
My F. robusta 'Campbell' in the south of NS was slow leafing one year and the leaves at the very top were burnt so it must have gotten close to +5F that winter.
john
john
johnw coastal Nova Scotia
Re: Cold hardy clumping timber varieties; do they exist?
2010 in the UK had 4 weeks of cold temps, snow, ice days, local plant forums called it "narnia" !
Heres the view from satellite
Robusta came through this with only some foliage loss at the very top, -12*c was the lowest I recorded in my garden.
Heres the view from satellite
Robusta came through this with only some foliage loss at the very top, -12*c was the lowest I recorded in my garden.
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Re: Cold hardy clumping timber varieties; do they exist?
Chusquea gigantea has a min temp of zero F. On the photo section I see it growing in Germany and UK. Tough stuff - thick walled, aggressive. Comes from tough eco climate in Chile. I grow it but I'm in a 9b zone. I'll ship some to you if you pay ship cost. I'm curious abt how it wld adapt. Rgds
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Re: Cold hardy clumping timber varieties; do they exist?
If you go through the EBS posts of March I seem recall damage of C. gigantea in Germany at 7F (or was it -13c?) this year. Maybe Steffen can comment.
john
john
johnw coastal Nova Scotia
Re: Cold hardy clumping timber varieties; do they exist?
Yes John, als always the limit for gigantea is -13/-15°C (5-8 F), it will definitely lose all it's top growth at 0 F. Chusquea culeou is hardier (up to 0 F maybe), but not as impressive. It seems that there are intermediates between the two species. I would recommend KR 5287, we have plants with 7 m height in Germany and it survives 0 F.
Steffen
Steffen
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Re: Cold hardy clumping timber varieties; do they exist?
Love to see some recent shots of your KR5287!
johnw coastal Nova Scotia
Re: Cold hardy clumping timber varieties; do they exist?
No shoots yet, but here you can find some pics from last year.
https://forum.bambus-deutschland.de/ind ... post154778
I even know one plant which is 1,5 m taller.
Steffen
https://forum.bambus-deutschland.de/ind ... post154778
I even know one plant which is 1,5 m taller.
Steffen
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Re: Cold hardy clumping timber varieties; do they exist?
Now that's what we want in a new Fargesia! Spectacular KR#5287. Was it not presuumed to be F. grossa?
john
john
johnw coastal Nova Scotia
Re: Cold hardy clumping timber varieties; do they exist?
Jean-Pierre Demoly wrote in his 2007 publication "Les bambous chinois à Rhizome pachymorphe d'introduction rècente, cultivés en plein air en Europe" that KR 5287 was introduced 1999 to the UK from Tibet (29 ° 35' N, 94 ° 57' E, above Kyikar) elevation 3500 m. An understory plant (or shoud I say undergrowth?) of Abies, Picea with Betula utilis and Larix kongboensis forests. At first glance, he wrote, it resembles Yushania macclureana (to his opinion all Borinda are Yushania) with some (smaller) differences.
KR 5288 which was introduced later is similar with slightly different branching.
Steffen
KR 5288 which was introduced later is similar with slightly different branching.
Steffen
Re: Cold hardy clumping timber varieties; do they exist?
Thamnocalamus tesselatus is the only clumper that I have found that will survive that kind of a climate.