Hybrid Chestnut, Sweet Chestnut 'Colossal'

Castanea

Family
Fagaceae (fag-AY-see-ee)
Genus
Castanea (kas-TAN-nee-uh)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Deciduous
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)
Bloom Color
Pale Yellow
White/Near White
Inconspicuous/none
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Trees
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
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 is said to grow outdoors in the following regions:

Portland, Oregon

Sevierville, Tennessee

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Gardener's Notes:

0
positive
1
neutral
0
negative
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F
Augusta, GA (Zone 8a) | January 2006 | neutral

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. L...Read More

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