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 Post subject: Chimonocalamus pallens
PostPosted: Thu Aug 07, 2014 10:57 pm 
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Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
Planted 3, 5 gal gen 2 in different zones. 5 sun/shade is definitely not correct. This species does not like much direct sun. Plants in 3 sun/shade are doing great. Rgds


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PostPosted: Fri Aug 08, 2014 3:35 am 
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Thanks.


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PostPosted: Fri Aug 08, 2014 9:28 am 
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Location: Ljubljana, Slovenia
I can confirm that. They struggle in full sun, even with morning sun and afternoon shade. I placed one of them (that was hardly going in sunny location) under fargesia murieale where it's almost completely dark and it changed in just a couple of weeks from weak, severely damaged plant into dark green, large leaved and healthy bamboo.

I also noticed that they don't seem to have an issue with dry air and can tolerate being a bit on the dry side regarding the soil as well. I also noticed that perhaps they don't need dormancy during the winter. I kept some of them inside, in hot dry air (sometimes just slightly above 10% RH!) and they actually behaved OK. When they got outside, sun damaged them more than low humidity could during whole winter.
The plant that received dormancy cycle started shooting the same time and had put out roughly the same number of shoots - they were not larger nor smaller in diameter. They are still in very juvenile seedling stage at the moment so it proves nothing.

Fred, I don't know about how your seedlings are growing but I have fount that they are extremely delicate and are sizing-up extremely slowly. At one point I thought I had lost them all, but they bounced back. Wind managed to break practically all the shoots because it grows large leaves on very thin culms. Those with more sun exposure on the other hand, remained around 10 inches tall, have small leaves and are mostly curled whenever sun lights them. It sure is difficult to get pallens going.

Today I'll place my seedlings into different depths of shade. Not 50. :mrgreen:

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PostPosted: Fri Aug 08, 2014 5:10 pm 
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Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
I have several now in the 3 1/2 ft range both in ground and potted. They have all been shooting pretty regularly for the last few months. I have about 30 potted and 3 in ground. Two in ground are in 1/2 sun/1/2 shade and doing great. One in a 4 or 5 sun zone is stunted and has a lot of leaf burn. One mistake I made early on was two transplant my 1 gals to 5 gals. The roots were not developed enough and several died or were stunted. I kept all my seedlings out of doors in shade and protected by trees.
Estimate they never saw a lower temp than 40F. One local person who got some of my seeds had 100% germination and has plants also in the 3 1/2 ft range. A couple of bamboo nurseries that I know of had super germination rate using their own seeds and have 4 to 5 ft plants. Tried to germinate some pallens seeds that I had kept refrigerated for a year and got zero to germinate. This vs about 90% germination rate right after flowering. Played with seeds from 4 other species from seed vendors and got two plants - shelf life obviously means everything. Try this out on a couple of your plants - grind up 3 aspirin (per plant) and scatter around the base of the plant and water. Rgds Fred


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PostPosted: Fri Aug 08, 2014 10:03 pm 
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Location: Ljubljana, Slovenia
Aspirin is great to trigger plant's defense system. I haven't done it yet, but I will try it with the most affected seedlings.

And one more question. You've had the mother-plant pallens bamboo. Was it ever exposed to full sun? How did it grow?

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PostPosted: Fri Aug 08, 2014 11:12 pm 
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Joined: Thu Apr 21, 2005 11:26 pm
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Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
The mother got to 15ft with good shoot development in a 1/2 sun-1/2 shade area. A prolific and beautiful plant. I was staggered when it went to seed. It created k's of seeds. Looking forward to some handsome plants in the near future. Rgds Fred


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PostPosted: Fri Oct 10, 2014 9:59 am 
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Location: Ljubljana, Slovenia
Finally getting some of the species characteristics. Nodal thorns emerging. :mrgreen:

Image

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PostPosted: Sat Mar 28, 2015 1:55 pm 
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Tarzanus wrote:
Finally getting some of the species characteristics. Nodal thorns emerging. :mrgreen:

Image



what is the coldest anyones Chimonocalamus have taken?

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PostPosted: Sat Mar 28, 2015 2:47 pm 
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Location: Ljubljana, Slovenia
0F this winter top-killed it completely. It's shooting again, so it looks like it managed to survive. Will keep it there for a year or two, then I'll find it another location in even more protected location.

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PostPosted: Mon Jan 18, 2016 11:34 am 
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Tarzanus wrote:
Aspirin is great to trigger plant's defense system. I haven't done it yet, but I will try it with the most affected seedlings.


I read this somewhere else too. What are you supposed to do with the aspirin and how much are you supposed to use? I take it you just put it in a watering can with some water?

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