• AGM plants

    AGM plants have been through a rigorous 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

Citrus × aurantium (F)

Seville orange

  • Other common names Seville orange

    bitter orange
    marmalade orange
    sour orange

    see more
  • Synonyms Citrus × aurantium subsp. myrtifolia
    Citrus natsudaidai

    Citrus hybrida
    Citrus reshni
    Citrus × aurantium var. myrtifolia
    Citrus kotokan
    Citrus myrtifolia
    Citrus grandis var. kotokan
    Citrus bigaradia

    see more
  • Family Rutaceae

  • Genus Citrus are typically evergreen shrubs or trees, frequently spiny, with simple, leathery, aromatic leaves, usually with winged stalks, and often fragrant white or pink-tinged flowers, followed by large, juicy fruits

  • Details C. x aurantium is a spiny tree, with rounded crown and mid green leaves 7-10cm long. From late spring to summer it bears fragrant white flowers 2cm across singly, in pairs or clusters that are followed by slightly flattened-spherical, red-tinted orange fruit 5-7cm in diameter

  • Plant range SE Asia


  • Foliage Evergreen

  • Habit Bushy

  • Fragrance Flower

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)




  • Full Sun

  • Aspect West-facing or South-facing

  • Exposure Sheltered


  • Clay


  • Loam


  • Sand


  • MoistureMoist but well-drained

  • SoilClay, Loam, Sand

  • pHAcid, Neutral


  • Ultimate height 4-8 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Citrus cultivation - grow outdoors in full sun in frost-free areas with a well-drained, neutral or acidic soil. Under glass grow in loam-based potting compost in full light at minimum of 3-5°C

Propagation Propagate by seed (seedlings will not come true to type) or semi-ripe cuttings

Suggested planting locations and garden types City & Courtyard Gardens Architectural Patio & Container Plants

How to care

Pruning Pruning group 1

Pests Can get citrus red spider mite and glasshouse red spider mite, soft scale and fluted scale, aphids, caterpillars and mealybugs under glass

Diseases Generally disease free

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.