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. |