Details of...
Scientific Name: Aesculus hippocastanum
Pronunciation: ESS-kew-lus hip-oh-kass-TAY-num
Common Name: common horse chestnut
Family Name: Sapindaceae
Plant Type: Tree - deciduous
Key ID Features: Leaf large, palmately compound with 5 obovate leaflets to 30 cm long; florets with 4 or 5 petals, white with pink markings, in 20 cm long panicles; fruit large spiny capsule, splits to release large, glossy brown seed. Winter ID: buds brown, opposite, large (2 cm) and sticky; leaf scar large, with 7 distinct bundle scars.
Course(s): AARB 1012, HORT 1155, Level 1 Apprenticeship, CLT Training

Habit: Open, Upright
Form: Round
Texture: Coarse
Mature Size:
Height:22 - 30m
Spread:15 - 25m
Growth Rate:Moderate
Origin: Europe
Hardiness Rating: Zone 5: (-29 to -23 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Well-drained
Water Use: Moderate
Landscape Uses: Specimen plant, Spring interest
Additional Info: Google
common horse chestnut
Leaf Morphology: Glossary
Form: Compound
Arrangement: Opposite
Texture/ Venation: Heavily veined, Palmate venation
Compound Leaf: Digitate (palmate)
Colour in Fall: Yellow, Brown
Leaf(let) Terms:
Shapes: Obovate
Apices: Acuminate
Bases: Cuneate
Margins: Double serrate
Additional Info: leaflets 13 - 30 cm long

Inflorescence Type: Floriferous, Panicle-like, Thyrse
Flower Morphology:Flowers perfect
Number of Petals:4
Corolla Shape:Rotate/stellate
Ovary Position:Superior
Colour (petals): Showy, White
Flower Time at Peak: Apr, May
Additional Info: 20 to 50 florets per panicle (actually a thyrse because the branches are cymose)

Fruit Type: Capsule
Fruit Colour: Green, Brown
Fruiting Time: Sep, Oct
Additional Info: Showy, only 1 to 5 develop per panicle; spiny and nut-like but splits along carpel lines to release a single (rarely 2 or 3) seed which is poisonous

Bark Morphology: Plated
Bark or Stem Colour: Grey, Brown
Leaf Bud Type: Ovoid
Leaf Scar Shape:U-shaped

Propagation: Seed, Grafting
Pest Susceptibility: Anthracnose, Fungal leaf spot, Heteroptera - true bugs, Leaf scorch, ( Deer resistant, Drought resistant )
Specific Pests: Psyllids, leafhoppers., leaf blotch fungus, Guignardia aesculi, leaf scorch (xylem fungus involved)
(BCW) Boulevard (Circular) Westend : 287, 288, 289, 290
(BGR) Boulevard by Glover Road : 291, 292
(NRY) NuRserY : 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 587
(QRR) Quercus Robur Row planting : 135, 136
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