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Citrus x limon (Lemon)

Beginner
skill rating
2 hours care
per year
7m
Max height
3m
Max spread
10-20 years
To maturity

Plant details

Botanical name

Citrus x limon

Other names

Lemon, Citrus x aurantium subsp. bergamia, Citrus bergamia, Citrus x limonia, Citrus x meyeri

Genus

Citrus Citrus

Species

C. x limon - C. x limon is a large, upright, rounded to spreading shrub or small tree with spiny branches bearing narrowly ovate, finely toothed, glossy, light green leaves and, in spring and summer, fragrant, white flowers followed by ovoid, edible, yellow fruit.


Citrus x limon is: Evergreen

Fragrance

Flowers fragrant in spring and lemons have a citrus scent.

Habit

Upright, Rounded to broadly spreading

Flower

White in Spring; White in Summer

Foliage

Bright-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

General care

Pruning

Pruning group 1. Thin fruit as required.

Propagation methods

Semi-hardwood cuttings


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Where to grow

Citrus x limon (Lemon) will reach a height of 7m and a spread of 3m after 10-20 years.

Suggested uses

Add to salads, Architectural, Cake decoration, City, Conservatory, Containers, Cottage/Informal, Flavouring food and drinks, Indoor, Mediterranean

Cultivation

Grow in loam-based potting compost in a pot where it can be placed in a frost-free place in winter. If planting outdoors place in full sun in frost-free areas with a well-drained, neutral or acidic soil.

Soil type

Clay, Loamy, Sandy

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.

Indoor unheated (H2), Tender in frost (H3)

Companion plants

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

Botanical name

Citrus x limon

Other names

Lemon, Citrus x aurantium subsp. bergamia, Citrus bergamia, Citrus x limonia, Citrus x meyeri

Genus

Citrus Citrus

Species

C. x limon - C. x limon is a large, upright, rounded to spreading shrub or small tree with spiny branches bearing narrowly ovate, finely toothed, glossy, light green leaves and, in spring and summer, fragrant, white flowers followed by ovoid, edible, yellow fruit.

Foliage

Evergreen

Fragrance

Flowers fragrant in spring and lemons have a citrus scent.

Habit

Upright, Rounded to broadly spreading


Colour

Flower

White in Spring; White in Summer

Foliage

Bright-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

General care

Pruning

Pruning group 1. Thin fruit as required.

Propagation methods

Semi-hardwood cuttings


Monthly care advice


Where to grow

Citrus x limon (Lemon) will reach a height of 7m and a spread of 3m after 10-20 years.

Suggested uses

Add to salads, Architectural, Cake decoration, City, Conservatory, Containers, Cottage/Informal, Flavouring food and drinks, Indoor, Mediterranean

Cultivation

Grow in loam-based potting compost in a pot where it can be placed in a frost-free place in winter. If planting outdoors place in full sun in frost-free areas with a well-drained, neutral or acidic soil.

Soil type

Clay, Loamy, Sandy

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.

Indoor unheated (H2), Tender in frost (H3)

USDA zones

Zone 11, Zone 10, Zone 9

Defra's Risk register #1

Plant name

Citrus x limon (Lemon)

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 x limon (Lemon)

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 x limon (Lemon)

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: Clay, Loamy, Sandy 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: Indoor unheated (H2), Tender in frost (H3) Tell us...

DISCUSS THIS PLANT

I bought a small lemon tree a few weeks ago to keep in my new greenhouse. Some of its leaves have developed what looks at first sight like fading... a total loss of the green layers on the top and underside of much of the leaf. What might cause this and h

I bought a small lemon tree a few weeks ago to keep in my new greenhouse. Some of its leaves have developed what looks at first sight like fading... a total loss of the green layers on the top and… read more

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