Cold Climate Bamboo

http://www.bamboogarden.com/Fargesia%20sp.%20Jiuzhaigou.htm

 Fargesia nitida                         (clumping)  -20° F
 Fargesia murielae                      (clumping)  -20° F
 Fargesia sp. 'Jiuzhaigou' I       (clumping)  -20° F
 Fargesia sp. 'Jiuzhaigou' II      (clumping)  -20° F
 Fargesia sp. 'Jiuzhaigou Genf' (clumping)  -20° F
 Fargesia sp. 'Rufa'                    (clumping)  -15° F

Phyllostachys is tolerant to -10° F  has 2-3” culms and are much taller than Fargesia