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common name: Seville Orange, Bitter Orange
synonyms: Citrus x aurantium
tree, evergreen, scented/aromatic
dry soil, moist soil
preferred soil pH: any
minimum temp: 3°C
USDA zone: 10 to 10
Evergreen tree forming a rounded crown with spiny branches of alternate mid green leaves up to 10cm long. Fragrant white flowers in spring later followed by reddish orange fruits about 8cm across.
Not frost hardy and needs a mild climate or winter protection. May survive short periods of temperatures just below freezing. Will tolerate a very wide range of soil types, including very alkaline ones, but will not tolerate waterlogging. Trace element deficiency can lead to chlorosis.
May be grown in large containers. Watering should be done when soil is nearly dry, but it should never be allowed to dry out completely. Must have good sunlight and ventilation.
From seed, which may not always come true, or from semi-ripe cuttings.
Excellent street tree for Mediterranean climates. Can be grown in large containers and moved into a conservatory in winter.
The fruit is used for making conserves such as marmalade.
Widely cultivated in Spain.