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Giant Gray Bamboo 'Henon'

Phyllostachys nigra

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Phyllostachys (fy-lo-STAK-iss) (Info)
Species: nigra (NY-gruh) (Info)
Cultivar: Henon


Ornamental Grasses and Bamboo

Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


30-40 ft. (9-12 m)

over 40 ft. (12 m)


6-8 ft. (1.8-2.4 m)


USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Sun to Partial Shade


Unknown - Tell us

Bloom Color:

Unknown - Tell us

Bloom Time:

Unknown - Tell us



Other details:

May be a noxious weed or invasive

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

Unknown - Tell us


This plant has been said to grow in the following regions:

Vista, California

Loxahatchee, Florida

Chicago, Illinois

Plainfield, Illinois

Prospect, Kentucky

Coushatta, Louisiana

Hulbert, Oklahoma

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Gardeners' Notes:


On Nov 10, 2013, imcuban2 from Chicago, IL wrote:

I planted 5 - 5 gallons in a row. after the first winter almost lost 2 but they recovered. Proven to be very cold hardy just bent back and covered with tarp for some winter protection nothing else. Cant wait to have a mature grove of these in Illinois !!!


On May 31, 2009, WUVIE from Hulbert, OK (Zone 7a) wrote:

Purchased a five gallon pot of Henon from on May 30, 2009. The plant was dug up and potted, then spent a few days in the car, a month in the pot and then planted in summer heat.

Don't confuse the 'nigra' term with the bamboo being black, it is not.

It is now April 11, 2010. The bamboo not only performed well, but in the last few days our miniature 'grove' has now sprouted over a dozen shoots, including several which are four feet from the initial planting. Needless to say, hubby and I looked at the number of shoots and the extent to which this small two gallon plant traveled well, thinking we may have created a monster. We are very pleased!

Update. It is now May 4, 2012. About to upload a new image to show the spread and gr... read more