Photo copyright: Noah Bell, Bamboo Garden 2019

photo copyright:
Noah Bell, Bamboo Garden 2019
Close-up showing root thorns.

Chimonobambusa quadrangularis
'Yellow Groove'
Common nam
e:  "Square Stem Bamboo"

Max. Height: 25 feet (Significantly shorter in areas with hard frost)
Diameter: 1.5 inches
Hardiness: 15 F
USDA Zone recommended 8b and 9a

The Square Bamboo is a great ornamental bamboo. It is a very upright grower and makes a good hedge plant for Zone 9 and warmer places. In colder places it is best used as a specimen or container plant that can be moved inside for the winter. In Zone 8 it will sometimes be killed to the ground in very cold winters, but is still worthwhile due to its beauty. Its upright habit and graceful foliage make it a excellent specimen for a focal point. The culms are somewhat square and the nodes have root thorns which are very interesting. It has a yellow grove on the sulcus of an otherwise dark green cane. The stripe is not very prominent so often this bamboo is sold as the regular "Square Stem Bamboo".

photo copyright: Noah Bell, Bamboo Garden 2019
C. quadrangularis 'Yellow Groove' planted as an under story to Phyllostachys vivax.

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