Aesculus x carnea
Red Horsechestnut
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An excellent tree for the large landscape where it has room to perform. Stunning red flowers in May or very early June are the plants main asset.
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| Family |
| Sapindaceae (Hippocastanaceae) |
| Genus |
| Aesculus |
| Species |
| x carnea |
| Category |
| Woody |
| Type |
| Tree (deciduous) |
| Pronunciation |
| USDA Hardiness Zone |
| 4 - 7 |
| Canadian Hardiness Zone |
| 4 |
| RHS Hardiness Zone |
| H7 |
| Temperature (°C) |
| -35 - (-12) |
| Temperature (°F) |
| -30 - 10 |
| Height |
| 10 m |
| Spread |
| 8 m |
| General Description |
| A cross between A. pavia and A. hippocastanum, with spectacular red flowers in May or June. |
| Landscape |
| A specimen tree for the large landscape. |
| Cultivation |
| Easily cultivated in average garden or landscape conditions. Suitable also for heavy soils but that have positive drainage. |
| Shape |
| Large rounded crown. |
| Growth |
| Medium |
| ID Characteristic |
| Red flowers but with typical Aesculus leaves. |
| Pests |
| Leaf anthrocnose has been a minor problem. |
| Bark/Stem Description |
| Dark grey to beige and in coarse plates, quite distinctive. |
| Flower/Leaf Bud Description |
| Buds are quite pronounced, globose, and scaled and are often in pairs at the end of the twig. |
| Leaf Description |
| Palmate leaves, dark green and somewhat glaborous on the underside but an almost shiny green on the top. Usually five leaflets per leaf. |
| Flower Description |
| A large panicle to 20 cm tall and 10 cm wide. Bright rich rose red. |
| Colour Description |
| Little autumn colour of note, however the tree does not appear to suffer the fungal leaf infections that A. hippocastanum does. |
| Texture Description |
| Coarse textured tree. |
| Propagation |
| Even though it is a hybrid it is purported to come true from seed. Stratify seed at 5°C for four months. |