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Citrus sinensis (Orange)

Intermediate
skill rating
2 hours care
per year
10m
Max height
5m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Citrus sinensis

Other names

Orange, Sweet orange , Round orange

Genus

Citrus Citrus

Species

C. sinensis - C. sinensis is a rounded, bushy, evergreen shrub or tree with spiny branches and oval to elliptic, glossy, leathery, dark green leaves. Clusters of fragrant white flowers in spring are followed by edible, sweet orange fruit ready for harvest in autumn or winter.


Citrus sinensis is: Evergreen

Habit

Rounded to broadly spreading

Flower

White in Spring

Foliage

Dark-green in All seasons

How to care

Watch out for

Specific pests

Aphids , Caterpillars , Fruit tree red spider mite , Glasshouse red spider mite , Mealybugs , Scale insects Aphids , Caterpillars , Fruit tree red spider mite , Glasshouse red spider mite , Mealybugs , Scale insects

Phytophthora root diseases Phytophthora root diseases

General care

Pruning

Thin fruit as required. Pruning group 1.

Propagation methods

Grafting, Seed, Semi-hardwood cuttings


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Where to grow

Citrus sinensis (Orange) will reach a height of 10m and a spread of 5m after 10-20 years.

Suggested uses

Add to salads, Architectural, City, Conservatory, Containers, Cottage/Informal, Flavouring food and drinks, Greenhouse, Indoor, Mediterranean, Sub-Tropical, Wallside and trellises

Cultivation

Plant outdoors in full sun in frost-free areas in well-drained, neutral to slightly acid soil. Will tolerate partial shade but fruit yields will decline. Choose a tree with a rootstock adapted to the type of soil available. Under glass or indoors, grow in

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Citrus sinensis

Other names

Orange, Sweet orange , Round orange

Genus

Citrus Citrus

Species

C. sinensis - C. sinensis is a rounded, bushy, evergreen shrub or tree with spiny branches and oval to elliptic, glossy, leathery, dark green leaves. Clusters of fragrant white flowers in spring are followed by edible, sweet orange fruit ready for harvest in autumn or winter.

Foliage

Evergreen

Habit

Rounded to broadly spreading


Colour

Flower

White in Spring

Foliage

Dark-green in All seasons


How to care

Watch out for

Specific pests

Aphids , Caterpillars , Fruit tree red spider mite , Glasshouse red spider mite , Mealybugs , Scale insects

Specific diseases

Phytophthora root diseases

General care

Pruning

Thin fruit as required. Pruning group 1.

Propagation methods

Grafting, Seed, Semi-hardwood cuttings


Monthly care advice


Where to grow

Citrus sinensis (Orange) will reach a height of 10m and a spread of 5m after 10-20 years.

Suggested uses

Add to salads, Architectural, City, Conservatory, Containers, Cottage/Informal, Flavouring food and drinks, Greenhouse, Indoor, Mediterranean, Sub-Tropical, Wallside and trellises

Cultivation

Plant outdoors in full sun in frost-free areas in well-drained, neutral to slightly acid soil. Will tolerate partial shade but fruit yields will decline. Choose a tree with a rootstock adapted to the type of soil available. Under glass or indoors, grow in

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

USDA zones

Zone 11, Zone 10, Zone 9

Defra's Risk register #1

Plant name

Citrus sinensis (Orange)

Common pest name

Scientific pest name

Prodiplosis longifila

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

5

General biosecurity comments

Polyphagous gall midge present in the Americas; where it causes damage to outdoor and glasshouse crops. Europe-wide PRA will consider its potential to establish and cause damage.

Defra's Risk register #2

Plant name

Citrus sinensis (Orange)

Common pest name

Alfalfa dwarf; Anaheim disease; California vine disease; Dwarf disease of alfalfa; Dwarf disease of lucerne; Leaf scald of oleander; Leaf scald of plum; Leaf scorch; Phony disease of peach; Pierce's disease of grapevine; Variegated chlorosis of citrus

Scientific pest name

Xylella fastidiosa (all other strains and subspecies)

Type

Bacterium

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

A bacterial disease with a wide host range and many sub-species and strains; including those that could thrive in cooler climates; showing different levels of pathogenicity. Although EU regulated; there is some concern about the risk of introduction. Should an outbreak occur; there would be a need for eradication action which would result in environmental and social impacts.

Defra's Risk register #3

Plant name

Citrus sinensis (Orange)

Common pest name

Alfalfa dwarf; Anaheim disease; California vine disease; Dwarf disease of alfalfa; Dwarf disease of lucerne; Leaf scald of oleander; Leaf scald of plum; Leaf scorch; Phony disease of peach; Pierce's disease of grapevine; Variegated chlorosis of citrus

Scientific pest name

Xylella fastidiosa subsp. multiplex

Type

Bacterium

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

4

General biosecurity comments

A bacterial disease with a wide host range detected in Corsica. Although EU regulated; there remains some concern about the risk of introduction. This subspecies is known to be able to thrive in cooler climates. Should an outbreak occur; there would be a need for eradication action which would result in environmental and social impacts.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Tender in frost (H3) Tell us...

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