• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Aesculus × carnea 'Briotii'

Red horse chestnut 'Briotii'

Red horse chestnut 'Briotii'

© � RHS 2003

  • Other common names Red horse chestnut 'Briotii'

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

  • Family Sapindaceae / Sapindaceae

  • Species 'Briotii' is a medium-sized deciduous tree with a compact rounded crown. Leaves with 5-7 dark green leaflets. Flowers bright rosy-pink, in erect panicles to 20cm in length. Fruit with few spines

Characteristics

  • Foliage Deciduous

  • Habit Columnar_Upright#Columnar/Upright

  • Toxicity Ingestion may cause severe discomfort

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect North-facing or East-facing or South-facing or West-facing

  • Exposure Sheltered or Exposed

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    Higher than 12 metres

  • Ultimate spread

    wider than 8 metres

  • Time to ultimate height

    20-50 years

How to grow

Cultivation Only suitable for large gardens

Propagation Propagate by seed or grafting

Suggested planting locations and garden types Low Maintenance Architectural

How to care

Pruning Pruning group 1

Pests Can get horse chestnut scale and leaf-mining moths

Diseases A canker, Coral spot and a leaf spot may be a problem

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