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Aesculus californica

California buckeye

A medium-sized deciduous shrubby tree with palmate leaves which turn yellow in autumn. Fragrant flowers are long, white (sometimes rose-pink), fluffy-looking and candle-shaped with yellow then pink throats. Conkers follow in autumn inside a smooth leathery case.

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Size
Ultimate height
8–12 metres
Time to ultimate height
10–20 years
Ultimate spread
Wider than 8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Pink Green
Summer White Yellow Pink Green
Autumn Red Yellow Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Sapindaceae
Native to the UK
No
Foliage
Deciduous
Potentially harmful
Ingestion may cause severe discomfort. Wear gloves and other protective equipment when handling
Genus

Aesculus can be deciduous trees or large shrubs with showy flowers, palmately-lobed leaves and sometimes good autumn colour

Name status

Correct

Plant range
USA (California)

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How to grow

Cultivation

Grows best in deep, fertile, moist but well-drained soil in sun or partial shade; only suitable for large gardens. For further information, see our advice on tree cultivation

Propagation

Propagate by semi-ripe cuttings or seed. For more advice see our information on how to propagate from seed (tree/shrub

Suggested planting locations and garden types
  • Architectural
  • Banks and slopes
Pruning

Pruning group 1

Pests

May be susceptible to Horse chestnut scale and leaf-mining moth

Diseases

May be susceptible to coral spot, canker and leaf spot

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