Dunstan Chestnut Castanea dentata x mollisima 'Dunstan'

Detailed Listing For
Botanical Name:

Castanea dentata x mollisima 'Dunstan'








x mollisima 'Dunstan'

Common Name:

Dunstan Chestnut

80-100 feet
Minimum Hardiness Zone:
Plant breeder Dr. Robert Dunstan cross bred American and Chinese chestnuts to create trees that are hardy and blight resistant.

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  • Castanea dentata x mollisima 'Dunstan'

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Growing Info, follow in order:
Scarification: Soak in water, let stand in water for 24 hours.
Stratification: cold stratify for 60 days.
Germination: sow seed 1" deep, keep moist, mulch the seed bed.
In a Nutshell:
* Once an important hardwood timber tree, the American chestnut is highly susceptible to chestnut blight, caused by an Asian bark fungus.
* A rapidly growing deciduous hardwood tree.
* These are the sweetest seeds of any species in this genus
* A delicious oil can be extracted from the seed by crushing the nuts, boiling them in water and then skimming off the oil as it comes to the surface. It can be used as a topping for various puddings. more...
* The American Chestnut is a prolific bearer of nuts , usually with three nuts enclosed in each spiny green burr.
* The total number of chestnut trees in eastern North America was estimated at over three billion, and 25% of the trees in the Appalachian Mountains were American chestnut.
* The chestnuts are in the beech family along with beech and oak, and are not closely related to the horse-chestnut, which is in the family Sapindaceae. more...

Conservation Plant Characteristics

Castanea dentata (Marsh.) Borkh.
American chestnut

Duration Perennial
Growth Habit Tree
Native Status L48 (N), CAN (N)
Federal T/E Status
National Wetland Indicator
Active Growth Period Spring
After Harvest Regrowth Rate
Bloat Low
C:N Ratio Low
Coppice Potential Yes
Fall Conspicuous Yes
Fire Resistant No
Flower Color White
Flower Conspicuous No
Foliage Color Yellow-Green
Foliage Porosity Summer Dense
Foliage Porosity Winter Porous
Foliage Texture Coarse
Fruit/Seed Color Brown
Fruit/Seed Conspicuous Yes
Growth Form Single Stem
Growth Rate Rapid
Height at 20 Years, Maximum (feet) 35
Height, Mature (feet) 115.0
Known Allelopath No
Leaf Retention No
Lifespan Long
Low Growing Grass No
Nitrogen Fixation None
Resprout Ability Yes
Shape and Orientation Erect
Toxicity None
Growth Requirements
Adapted to Coarse Textured Soils No
Adapted to Fine Textured Soils No
Adapted to Medium Textured Soils Yes
Anaerobic Tolerance None
CaCO3 Tolerance None
Cold Stratification Required Yes
Drought Tolerance Medium
Fertility Requirement Medium
Fire Tolerance None
Frost Free Days, Minimum 150
Hedge Tolerance None
Moisture Use Medium
pH, Minimum 5.5
pH, Maximum 6.5
Planting Density per Acre, Minimum 170
Planting Density per Acre, Maximum 300
Precipitation, Minimum 35
Precipitation, Maximum 60
Root Depth, Minimum (inches) 20
Salinity Tolerance None
Shade Tolerance Intolerant
Temperature, Minimum (°F) -33
Bloom Period Early Summer
Commercial Availability Field Collections Only
Fruit/Seed Abundance Medium
Fruit/Seed Period Begin Summer
Fruit/Seed Period End Fall
Fruit/Seed Persistence Yes
Propagated by Bare Root Yes
Propagated by Bulb No
Propagated by Container Yes
Propagated by Corm No
Propagated by Cuttings No
Propagated by Seed Yes
Propagated by Sod No
Propagated by Sprigs No
Propagated by Tubers No
Seed per Pound 100
Seed Spread Rate None
Seedling Vigor High
Small Grain No
Vegetative Spread Rate None
Berry/Nut/Seed Product Yes
Christmas Tree Product No
Fodder Product No
Fuelwood Product High
Lumber Product Yes
Naval Store Product No
Nursery Stock Product Yes
Palatable Browse Animal Low
Palatable Graze Animal Low
Palatable Human Yes
Post Product Yes
Protein Potential Low
Pulpwood Product Yes
Veneer Product Yes
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