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Tree of the Month: Double White Horsechestnut

By Leonard Phillips, ASLA Emeritus

 

white-horsechestnut-tree-copyTrade Name: Double White Horsechestnut

Botanical Name: Aesculus hippocastanum ‘Baumannii’

Parentage: Species introduced into the US

Family: Hippocastanaceae

Introduction: 1875

Hardiness Zone*: 3 – 7

Height: 50 to 75 feet

Spread: 40 to 70 feet

Growth Rate: Slow to medium, 5 feet in 10 years

Form: Upright oval to rounded with age

Bloom Period: early to mid May

Flower: Double white flowers with a blotch of color at the base which starts yellow and ends reddish

Fruit: None – the flower is sterile

Spring Color: Light green

Summer Foliage: Dark green in summer

white-horsechestnut-flower-copyAutumn Foliage: Leaves are yellow or brown

Winter Interest: Bark provides winter interest

Bark: Exfoliating dark gray to brown exposes orange-brown inner bark areas

Habitat: Grows well throughout the hardiness zones, does not tolerate heat or dry soil

Culture: Prefers rich, moist, well drained soil, full sun to partial shade

Pest Problems: Some leaf problems cause brown blotches

Storm Resistance: Good

Salt Tolerance: Good

Planting: Transplant bare root and B&B

Propagating: grafted onto seedlings

Design Uses: Specimen for lawn, park, and residential uses, large size limits use as a street tree

Companions: Use with evergreen groundcovers

Other Comments: Excellent tree for special locations, handsome tree especially when in bloom

Available from: Select nurseries that grow old-fashion trees.

 

For information about the USDA Hardiness Zone Map, visit: http://www.usna.usda.gov/Hardzone/index.html

 

These are the personal observations of the author, living in New England – Zone 6.

Leonard Phillips can be reached via e-mail at lenphillips@on-line-seminars.com

Photos by Leonard Phillips

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