Citrus × aurantium (Sour Orange Group) 'Seville' (F)
An evergreen tree up to around 8m tall with glossy, mid- to dark green leaves. Fragrant white flowers may be produced year-round in favourable conditions but generally appear from late spring into early summer with fruits ripening and ready for harvesting eight months later. The bright orange fruits have bumpy, thick skins and a sour, bitter taste and are commonly used for making marmalade
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Size
Ultimate height
4–8 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green | ||
|---|---|---|---|---|
| Summer | White | Green | Orange | |
| Autumn | Green | Orange | ||
| Winter | Green | Orange |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Rutaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Potentially harmful
- Fruit harmful to skin with sunlight/skin allergen. Wear gloves and other protective equipment when handling
- 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
- Name status
Unresolved
How to grow
Cultivation
Grow as a conservatory or greenhouse plant, in a container of loam-based potting compost (JI No. 2) with added grit, in full light, with shade from hot sun. In growth during spring and summer, water freely, and mist daily. Apply fertilisers formulated for citrus, throughout the year, following the manufacturer’s instructions; water sparingly in winter. See citrus cultivation for further information
Propagation
Propagate by semi-ripe cuttings in summer, or layer in early spring. Sow seed at 16°C in spring; seedlings do not come true to type
Suggested planting locations and garden types
- City and courtyard gardens
- Patio and container plants
- Mediterranean climate plants
- Conservatory and greenhouse
- Edible fruit
Pruning
Pests
May be susceptible to scale insects, mealybugs and glasshouse red spider mite
Diseases
Generally disease-free
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