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PostPosted: Fri Feb 17, 2017 1:23 am 
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Joined: Mon Aug 26, 2013 10:01 pm
Posts: 100
Location: United States
Since I haven't heard from erm in about two years in his thread, I decided to start a new tropical bamboo experimentation thread.

I live in Northern California about 30 miles east of San Francisco. Considered zone 9b but barely. 2013 had lows of 23-24F which killed all my young tropicals. Last two winters since then only 28-29F lows. I figured if I could get some tropicals through a mild winter or two they could survive the rare cold spells.

The past 6 months I shipped in some new tropicals. Decided to find the ones native to western Yunnan China or higher elevations. Or just any I've read can tolerate some cold. Here's what I ended up with and their results so far:

Dendrocalamus Parker Giant -

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3 gallon plant, in ground. Survived 29F and shipping stress pretty well.

Dendrocalamus validus -

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3 gallon plant, in ground. Lost all leaves (except 2 still hanging on and green) at 29F, but was in bad shape from the shipping so hard to tell what caused it. The leaves actually fell off so not sure it was even burned.

Dendrocalamus farinosus -

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3 gallon plant, in ground, lost some leaves through shipping stress, but the remaining few still are light green. The 29F didn't seem to affect it.

Dendrocalamus minor -

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3 gallon plant, in ground. No leaf burn at 29F.

Dendrocalamus fugongensis -

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3 gallon pot. Hasn't seen sub 40F yet. Next winter will test it.

Dendrocalamus dianxiensis -

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3 gallon pot. Hasn't seen sub 40F yet. Next winter will test it.

Dendrocalamus giganteus-

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25 gallon pot. Only survivor from 2013 cold spell. Suffered complete top kill then so I dug it up and potted it. In two years hasn't sent any full culms up, just a few aborted ones. Came through this winter without any leaf burn and looks pretty good! Still only about 3 feet tall.

Thyrsostachys siamensis -

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Most leaves died during shipping. The few remaining ones eventually died as well but doesn't seem like the 29F killed them, they just slowly shriveled up weeks later.

Bambusa dolichoclada -

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3 gallon plant, in ground. Sent up two shoots late fall about 6 and 8 feet tall, both survived but did experienced some leaf burn at 29F, most leaves survived fine though. Young branches died.

Bambusa emeiensis 'Viridiflavus' -

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3 gallon plant, in ground. Sent up two shoots late fall 5 and 7 feet tall, both survived 29F. No leaf burn, even young branches are okay.

Also planning on picking up a Dendrocalamus tibeticus in may. This one looks promising for cold temps and big size. Allegedly good for perhaps 15F and gets 75 feet tall and 7 inches diameter in higher elevations in Tibet.

This winter so far was very mild with a low of 29F and less than 10 days below freezing. Hopefully most of these will spend the summer getting established and ready for next winter. I will not attempt to protect the above ground growth on any of these. Just let fate decide.

I will update the thread periodically with pics of their growing progress.


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PostPosted: Fri Feb 17, 2017 6:34 am 
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Joined: Sun Jan 16, 2011 12:05 am
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Location: Ljubljana, Slovenia
My kind of guy. I also like hardiness challenges like that. :)

Good luck, if they make it, these will be great looking bamboos. I think you can lose their top growth like once every 5 winters, but they should be strong enough to fully recover within a year or two.

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PostPosted: Fri Feb 17, 2017 4:15 pm 
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Joined: Sat Oct 01, 2005 9:14 pm
Posts: 4264
Location: Carmichael, CA
Bamboo Society Membership: ABS - America
You're very close to me and I appreciate your efforts. Let me send you a list of others to try before I buy them :bom:

I had an Otataea Mayan Glauca totally defoliate at that 29F, no new leaf growth yet. Same for Chusquea ? forget the name right now. Both had long slender grassy leaves like O acuminata, makes me wonder if there is any hardiness association with that characteristic.

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Brad Salmon, zone 9 Carmichael, CA


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PostPosted: Fri Feb 17, 2017 8:32 pm 
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Joined: Mon Aug 26, 2013 10:01 pm
Posts: 100
Location: United States
Tarzanus- I'm hoping you're correct. Luckily my area is immune to really bad freezes unlike more tropical areas like the south, or southern Texas.

needmore- I have an Otatea acuminata, and it didn't suffer at all. I tried a chusqea culeou and valdiviensis. Both seemed to thrive in the spring but by the end of summer they both died. Guessing the heat is too much for them. Other chusqeas are too sensitive to cold so I'll probably not try any more of them. It's too bad because it's a fascinating species. There is very little information on tropical bamboos growing in our climate so I will share as much as I can here. Please feel free to share any info you have since moving to California with your attempts.


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PostPosted: Fri Feb 17, 2017 10:43 pm 
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Joined: Sat Oct 01, 2005 9:14 pm
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Location: Carmichael, CA
Bamboo Society Membership: ABS - America
I'm mostly container growing, on 2 nights last winter I pulled the Parker Giant, and my two yellow forms of bambusa into the unheated garage. I have many montane forms that I really hope to keep cool enough this summer, some I had last year and they were fine but now I have 5 Chusquea I believe so we'll see.


Are you near Vacaville or Fairfield?

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Brad Salmon, zone 9 Carmichael, CA


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PostPosted: Sat Feb 18, 2017 1:56 am 
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Joined: Mon Aug 26, 2013 10:01 pm
Posts: 100
Location: United States
I'm in Pittsburg. Always looking to trade/sell stuff if you're interested.


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PostPosted: Sat Feb 18, 2017 2:46 am 
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Location: Carmichael, CA
Bamboo Society Membership: ABS - America
I_am_Ian wrote:
I'm in Pittsburg. Always looking to trade/sell stuff if you're interested.


I had to look up where that is. I work in Davis and am trying to find property within a reasonable drive, likely Winters, Vacaville, Guinda, Dixon etc. I'll keep you in mind, my containers are not full enough to divide yet. Are you sticking with clumping forms?

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Brad Salmon, zone 9 Carmichael, CA


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PostPosted: Sat Feb 18, 2017 3:16 am 
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Joined: Mon Aug 26, 2013 10:01 pm
Posts: 100
Location: United States
I'm open to anything. I have a few runners I keep in big stock tanks. If you buy property in the valley and avoid the foothills you can grow a lot of nice clumpers. Around Dixon is zone 9a/b like me. Also there's at least three really good bamboo nurseries in the north Bay Area about an hour or so from us. Let me know what you have when it's ready.


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PostPosted: Sat Feb 18, 2017 4:54 pm 
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Joined: Sat Oct 01, 2005 9:14 pm
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Location: Carmichael, CA
Bamboo Society Membership: ABS - America
Will do. My plan has been to get the species I want filling up containers and then plant big full pots. They will be full by late summer and time to plant or divide them as I'm not going above the squat 20 gal, few squat 30's I've got.

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Brad Salmon, zone 9 Carmichael, CA


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PostPosted: Sun Mar 12, 2017 10:08 pm 
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Joined: Thu Apr 21, 2005 11:26 pm
Posts: 706
Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
8 miles east of Santa Cruz - ABS min temp re species list
Min temp 18 - all textilis do well. I have 3 different varieties growing.
Min temp 21 - Chungii, etuldoides viridivittata, malingensis, oldhamii, clone x, ventricosa and venticosa kimmie. All doing great. Have had mixed results with chungii in the past but current plant is doing well.
Min temp 25 - dolichaclada, pervariabilis viridistriatus. Have good experience with these. May really be min 21 plants. The doli's seem very hardy. They may really be in the 18 to 21 range.
1) Gophers love all these guys. Wire a must.
2) These guys shoot in winter at coldest temps and highest winds, Prone to damage if not in protected areas. Best to plant in areas that get max sun in winter.
3)Textilis and ventricosa could survive a atomic blast.
4) No luck with any plants with ABS min temp at 30. Had some wamin for a few years but they it out.
5) Have several multiplex plants. Easy to grow.
6) I think I have photos of most of these on the photo section. See Scotts Valley location.
Rgds


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PostPosted: Sat Apr 22, 2017 4:01 pm 
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Joined: Thu Feb 12, 2015 3:38 am
Posts: 306
Location: Placerville California
Bamboo Society Membership: ABS - America
I am up at 3000 ft east of Sacramento and it always surprises me how well my Bambusa m. Alphonse Karr does. At my last place it took 14 degrees with only some burn. fall shoots didn't fair well. This year lows of 24 7 times and 25-27 maybe another 15 times and it looks great. My 2 Kanapaha got burned but they are small. one in the 3 gallon has a few leaves . My other is planted has a quite a few leaves but is shooting ( is that normal this early)? has 3 new shoots one was sent up a week back when we had 2 cold nights of 25 and 27 it aborted. Other 2 showed up after so far seem good as its much milder than last week.
Chimonocalamus pallets not so good really went down hill last winter. shot a few culms this year. total top kill this last winter. its trying to shoot now but we will see. I really like this one and hear its rated to 10 but thats highly unlikely . I plan on trying to try it again but with a larger plant. hoping for a big division or maybe a 15 gallon.

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Jason Floyd
Hangtown Farms

Placerville Ca
Elevation 3000 ft
Zone 8B ( probably 8A )


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