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Summary
Bloom Color: White. Main Bloom Time: Early spring, Early winter, Late spring, Late winter, Mid spring, Mid winter. Form: Rounded.
Physical Characteristics
Citrus sinensis is an evergreen Tree growing to 9 m (29ft 6in).
See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. It is in leaf all year. The species is hermaphrodite (has both male and female organs) and is pollinated by Apomictic (reproduce by seeds formed without sexual fusion), insects. The plant is self-fertile.
Suitable for: medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very acid and very alkaline soils.
It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
C. aurantium sinensis.
Plant Habitats
Woodland Garden Sunny Edge; South Wall. By. West Wall. By.
Edible Uses
Edible Parts: Flowers Fruit Oil
Edible Uses: Condiment Oil Tea
Fruit - raw. Sweet and delicious[1, 3, 46, 61]. The juice is often extracted from the fruit and sold as a refreshing and healthy drink or used in jellies, ice cream etc[183]. The rind of the fruit is often used as a flavouring in cakes etc or made into marmalade[1, 46, 183]. Flowers - cooked as a vegetable or made into a tea[183].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Appetizer Blood purifier Carminative Miscellany Skin Tonic Vitamin C
Citrus species contain a wide range of active ingredients and research is still underway in finding uses for them. They are rich in vitamin C, flavonoids, acids and volatile oils. They also contain coumarins such as bergapten which sensitizes the skin to sunlight. Bergapten is sometimes added to tanning preparations since it promotes pigmentation in the skin, though it can cause dermatitis or allergic responses in some people[238]. Some of the plants more recent applications are as sources of anti-oxidants and chemical exfoliants in specialized cosmetics[238]. The fruit is appetizer and blood purifier[240]. It is used to allay thirst in people with fevers and also treats catarrh[240]. The fruit juice is useful in the treatment of bilious affections and bilious diarrhoea[240]. The fruit rind is carminative and tonic[240]. The fresh rind is rubbed on the face as a cure for acne[240]. The dried peel is used in the treatment of anorexia, colds, coughs etc[218].
References More on Medicinal Uses
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Other Uses
References More on Other Uses
Cultivation details
Landscape Uses:Espalier, Standard, Specimen. Prefers a moderately heavy loam with a generous amount of compost and sand added and a very sunny position[1, 200]. Prefers a pH between 5 and 6[200]. Tolerates a pH in the range 4.3 to 8.3. Plants are intolerant of water logging[3]. When growing plants in pots, a compost comprising equal quantities of loam and leafmould plus a little charcoal should produce good results[260]. Do not use manure since Citrus species dislike it[260]. When watering pot plants it is important to neither overwater or underwater since the plant will soon complain by turning yellow and dying. Water only when the compost is almost dry, but do not allow it to become completely dry[260]. The sweet orange is widely grown for its edible fruit in warm temperate and tropical zones, there are many named varieties[183]. In Britain it can be grown in a pot placed outdoors in the summer and brought into a greenhouse during the winter[3]. Plants are almost hardy in the mildest areas of Britain[1] but the fruit is insipid if it is developed when the mean temperature is below 18°c[3]. The young growth in spring, even on mature plants, is frost-tender and so it is best to grow the plants in a position sheltered from the early morning sun[K]. The flowers are sweetly scented[245]. Plants dislike root disturbance and so should be placed into their permanent positions when young. If growing them in pots, great care must be exercised when potting them on into larger containers[238]. Special Features:Edible, Not North American native, Naturalizing, Attracts butterflies, Fragrant flowers, Attractive flowers or blooms.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
The seed is best sown in a greenhouse as soon as it ripe after thoroughly rinsing it[164, 200]. Sow stored seed in March in a greenhouse[3]. Germination usually takes place within 2 - 3 weeks at 13°c. Seedlings are liable to damp off so they must be watered with care and kept well ventilated. The seed is usually polyembrionic, two or more seedlings arise from each seed and they are genetically identical to the parent but they do not usually carry any virus that might be present in the parent plant[200]. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least three growing seasons before trying them outdoors. Plant them out in the summer and give them some protection from the cold for their first few winters outdoors. Cuttings of half-ripe wood, July/August in a frame. Layering in October.
Other Names
If available other names are mentioned here
Native Range
Hybrid. The hybrid formula is C. maxima × C. maxima × C. reticulata.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
| Related Plants
|
| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Citrus aurantiifolia | Lime, Key Lime, Mexican Lime, Mexican Thornless Key Lime | Tree | 6.0 |
10-12
| M | LMH | N | M | 4 | 2 | 3 |
| Citrus aurantium | Bitter Orange, Sour orange, Bergamot orange | Tree | 9.0 |
8-11
| | MH | N | M | 3 | 3 | 4 |
| Citrus hystrix | Kaffir Lime | Shrub | 6.0 |
9-12
| M | LMH | N | M | 3 | 2 | 3 |
| Citrus ichangensis | Ichang Papeda | Shrub | 4.5 |
7-10
| | LMH | N | M | 2 | 2 | |
| Citrus latifolia | Citrus Tahitian Lime | Tree | 5.0 |
9-11
| M | LMH | S | M | 4 | 2 | 2 |
| Citrus limon | Lemon | Shrub | 3.0 |
8-11
| M | MH | N | M | 4 | 5 | 5 |
| Citrus reticulata | Mandarin, Tangerine, Unshu orange, Satsuma Orange,Temple Orange, Tangerine | Tree | 4.5 |
9-11
| | MH | N | M | 3 | 3 | 2 |
| Citrus x meyeri | Lemon | Shrub | 3.0 |
8-11
| M | MH | N | M | 3 | 5 | 5 |
| Citrus x paradisi | Grapefruit, Pomelo, Pamplemousse | Tree | 7.0 |
9-11
| M | LMH | N | S | 4 | 1 | 1 |
|
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
(L.)Osbeck.
Botanical References
200
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