Aesculus x arnoldiana (Arnold Buckeye)
Botanical Information
| Family | Sapindaceae (Hippocastanaceae) |
| Genus | Aesculus |
| Species | x arnoldiana |
| Category | Woody |
| Type | Tree (deciduous) |
| Origin | Cross-breed developed at Arnold Arboretum in 1900 ((A. glabra x A. flava) x A. pavia). |
| Pronunciation |
Details
| USDA Hardiness Zone | 5 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4 - 6a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -29 - (-23) |
| Temperature (°F) | -20 - (-10) |
| Height | 25 m |
| Flowering Period | June, July |
Description and Growing Information
| Propagation | Propagate by grafting in late winter and budding in late summer, using basal buds from the shoots nearest the old wood, which normally remain dormant. |
| Cultivation | Grow in any deep, fertile, moisture-retentive soil in full sun or shade. |
| Pests | Susceptible to coral spot and canker, leaf-scorching can sometimes occur in hot, dry summers. |
| Leaf Description | 5 elliptical, dark green leaflets to 12 cm that are glabrous with a hairy midrib beneath. |
| Flower Description | Flowers in erect racemes, with yellow petals, the upper part of which are tinged red. |
| Fruit Description | Fruit is scaly with short spines. |
Photographs
.jpg "Aesculus x arnoldiana 'Autumn Splendor'.")
Aesculus x arnoldiana 'Autumn Splendor'.