SelecTree: Tree Detail

BAUMANNII HORSECHESTNUT
Aesculus hippocastanum 'Baumannii'

Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii' Aesculus hippocastanum 'Baumannii'

Photo Locations: Red Butte Garden - Salt Lake City, UT, National Arboretum - Washington, DC, Finch Arboretum - Spokane, WA and Arnold Arboretum - Boston, MA

General Notes

Branches droop but resist breakage.

Family: Sapindaceae
Previously listed in the Hippocastanaceae family.

Additional Common Names

BAUMANNII HORSECHESTNUT, CONKER TREE

Tree Characteristics

Oval or Rounded Shape.

Has Deciduous foliage.

Height: 50 - 80 feet.

Width: 40 - 50 feet.

Growth Rate: 12 to 24 Inches per Year.

Leaves Palmately Compound, Green, Gold, Deciduous.

Flowers Showy. Double White. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).

Fruitless Brown Capsule, Large (1.50 - 3.00 inches), fruiting in Summer.

Bark Dark Brown, Exfoliating or Scaly.

Shading Capacity Rated as Dense to Very Dense in Leaf.

Shading Capacity Rated as out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 1 - 10, 12 and 14 - 17.

USDA Hardiness Zones 4 - 7.

Exposure Full Sun.

Well Drained Soil.

Loam or Sand Texture.

Acidic to Alkaline Soil pH.

Pests & Disease Information

Susceptible to White-marked Tussock Moth and Japanese Beetle, Leaf Blotch, Scorch, Powdery Mildew and Leaf Spot.

Health, Safety & Environmental Concerns

Root Damage Potential Rated as High.

Allergy and Poisonous Health Hazard.

Fire Resistance is Favorable.

Attracts Squirrels.

Special Uses & Values

Specimen, Shade Tree, Street Tree, Buffer Strip or Screen.

Cite this tree:
SelecTree. "Aesculus hippocastanum 'Baumannii' Tree Record." 1995-2017. Nov 21, 2017.
< http://selectree.calpoly.edu/tree-detail/aesculus-hippocastanum-baumannii >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.