Red Horse Chestnut

(Aesculus ×carnea)

Red Horse Chestnut (Aesculus ×carnea)

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Estimated Native Range
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Summary

Aesculus ×carnea, commonly known as Red Horse Chestnut, is a medium-sized deciduous tree that is an artificial hybrid between Aesculus pavia (Red Buckeye) and Aesculus hippocastanum (Common Horse Chestnut). It likely originated in Germany before 1820 and is not found in the wild. It typically grows up to 40 feet tall and 30 feet wide, forming a dense, rounded canopy. The tree is noted for its striking spring display of showy, red, upright panicle flowers, which are followed by leathery fruit capsules containing one to two large, shiny seeds, or "conkers," in the fall. The foliage consists of dark green, palmately compound leaves with five large, toothed leaflets that turn yellow-brown in autumn.

Red Horse Chestnut is valued for its ornamental flowers and dense foliage, making it a favorite for large gardens, parks, and as a street tree. It prefers full sun to part shade and grows best in moist, well-drained soils. While it is relatively low-maintenance, it can be susceptible to leaf blotch and horse chestnut scale. It is also less prone to the leaf miner that can plague A. hippocastanum. To maintain its health and appearance, regular watering during dry periods and occasional pruning to remove dead or diseased wood are recommended.CC BY-SA 4.0

Plant Description

  • Plant Type: Tree
  • Height: 30-50 feet
  • Width: 30-40 feet
  • Growth Rate: Moderate
  • Flower Color: Pink, Red
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Fast, Medium, Slow

Common Uses

Bird Garden, Border Plant, Deer Resistant, Low Maintenance, Showy Flowers

Natural Habitat

Not found in the wild, prefers full sun to part shade, susceptible to leaf blotch and horse chestnut scale

Other Names

Common Names: Horse Chestnut , Ruby Red Horse Chestnut

Scientific Names: Aesculus ×carnea , Aesculus hippocastanum var. carnea , Aesculus rubicunda , Aesculus spectabilis , Aesculus ×rubicunda , Hippocastanum rubicundum , Pawia rubicunda

GBIF Accepted Name: