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PlantFiles: Hybrid Chestnut, Sweet Chestnut
Castanea 'Colossal'

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Family: Fagaceae (fag-AY-see-ee) (Info)
Genus: Castanea (kas-TAN-nee-uh) (Info)
Cultivar: Colossal

One member has or wants this plant for trade.

Category:
Trees

Height:
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
over 40 ft. (12 m)

Spacing:
30-40 ft. (9-12 m)

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Pale Yellow
White/Near White
Inconspicuous/none

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Grown for foliage
Deciduous
Good Fall Color

Other details:
Unknown - Tell us

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
By grafting

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Farmerdill On Jan 19, 2006, Farmerdill from Augusta, GA (Zone 8a) wrote:

Thought to be a hybrid of Asian and European chestnuts. High quality medium to large size nuts fall easily from hull, are easy to peel. Large, long-lived, spreading tree. 4-500 hours. Pollinated by Nevada or Colossal seedling.

Regional...

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

Portland, Oregon
Sevierville, Tennessee



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