Giant Japanese Timber Bamboo
Phyllostachys bambusoides 'Castillon'

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Phyllostachys (fy-lo-STAK-iss) (Info)
Species: bambusoides (bam-BOO-soy-deez) (Info)
Cultivar: Castillon

Category:

Ornamental Grasses and Bamboo

Height:

over 40 ft. (12 m)

Spacing:

10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

Hardiness:

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)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Danger:

Unknown - Tell us

Bloom Color:

Unknown - Tell us

Bloom Time:

Unknown - Tell us

Foliage:

Evergreen

Other details:

Average Water Needs; Water regularly; do not overwater

This plant is monocarpic

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

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

From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:

Unknown - Tell us

Regional

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

Midland City, Alabama

Reseda, California

San Anselmo, California

Santa Barbara, California

Seattle, Washington

Tacoma, Washington

show all

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Dec 8, 2005, wallaby1 from Lincoln
United Kingdom (Zone 8a) wrote:

I was lucky to get this from a local garden centre earlier this year, and it has thrown up 4 fat new stems. It desperately needed potting on this autumn, but with a continual watering it has managed to keep its leaves and has coped well with my neglect.

Neutral

On Sep 26, 2005, palmbob from Acton, CA (Zone 8b) wrote:

Recently this plant bloomed all over the world and a huge die out was seen. But a new cultivar has been introduced and it is being sold again.