Hybrid Chestnut, Sweet Chestnut
Castanea 'Colossal'

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

Category:

Trees

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

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

Regional

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

Portland, Oregon

Sevierville, Tennessee

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

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.