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Pyrus communis 'Invincible' (Pear 'Invincible')

Advanced
skill rating
3 hours care
per year
5m
Max height
5m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Pyrus communis 'Invincible'

Other names

Pear 'Invincible', Pyrus communis 'Delwinor', Cooking/Dessert pear 'Invincible'

Genus

Pyrus Pyrus

Variety or Cultivar

'Invincible' _ 'Invincible' is an upright to spreading, deciduous tree with ovate, finely toothed, glossy, dark green leaves turning dark purple in autumn and two flushed of white flowers in spring followed by edible, sweet, green to yellow-green fruit typically ready for harvest in early autumn.


Pyrus communis 'Invincible' is: Deciduous

Habit

Upright

Flower

White in Spring

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-purple in Autumn

How to care

Watch out for

Specific pests

Aphids , Blister mite , Bullfinches , Caterpillars , Codling moth , Pear fruitlet gall midge Aphids , Blister mite , Bullfinches , Caterpillars , Codling moth , Pear fruitlet gall midge

Apple and pear canker , Blight , Pear rust , Pear scab Apple and pear canker , Blight , Pear rust , Pear scab

General care

Pruning

Thin fruit as necessary. Regular pruning required. Suitable for all training forms. A spur bearer. Keep a weed free area of 60cm radius around the trunk.

Propagation

Partially self-fertile. A pollinator will ensure better fruit. If grafting, the rootstock used will effect plant size. Quince is normally used.

Propagation methods

Budding, Grafting


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Where to grow

Pyrus communis 'Invincible' (Pear 'Invincible') will reach a height of 5m and a spread of 5m after 5-10 years.

Suggested uses

Architectural, Beds and borders, Celebrations/Rememberance, Cottage/Informal, Flavouring food and drinks, Specimen tree, Wildlife

Cultivation

Grow in neutral, well-drained soil in full sun. This cultivar tends to be hardier and tougher than most. Flowers in 2 flushes -first crop is green & crunchy so suitable for cooking. Second crop is sweeter. First flowers may be damaged by frost.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

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

Hardy (H4)

Companion plants

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

Botanical name

Pyrus communis 'Invincible'

Other names

Pear 'Invincible', Pyrus communis 'Delwinor', Cooking/Dessert pear 'Invincible'

Genus

Pyrus Pyrus

Variety or Cultivar

'Invincible' _ 'Invincible' is an upright to spreading, deciduous tree with ovate, finely toothed, glossy, dark green leaves turning dark purple in autumn and two flushed of white flowers in spring followed by edible, sweet, green to yellow-green fruit typically ready for harvest in early autumn.

Foliage

Deciduous

Habit

Upright


Colour

Flower

White in Spring

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-purple in Autumn


How to care

Watch out for

Specific pests

Aphids , Blister mite , Bullfinches , Caterpillars , Codling moth , Pear fruitlet gall midge

Specific diseases

Apple and pear canker , Blight , Pear rust , Pear scab

General care

Pruning

Thin fruit as necessary. Regular pruning required. Suitable for all training forms. A spur bearer. Keep a weed free area of 60cm radius around the trunk.

Propagation

Partially self-fertile. A pollinator will ensure better fruit. If grafting, the rootstock used will effect plant size. Quince is normally used.

Propagation methods

Budding, Grafting


Monthly care advice


Where to grow

Pyrus communis 'Invincible' (Pear 'Invincible') will reach a height of 5m and a spread of 5m after 5-10 years.

Suggested uses

Architectural, Beds and borders, Celebrations/Rememberance, Cottage/Informal, Flavouring food and drinks, Specimen tree, Wildlife

Cultivation

Grow in neutral, well-drained soil in full sun. This cultivar tends to be hardier and tougher than most. Flowers in 2 flushes -first crop is green & crunchy so suitable for cooking. Second crop is sweeter. First flowers may be damaged by frost.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

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

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Pyrus communis 'Invincible' (Pear 'Invincible')

Common pest name

Decline of pear; Leaf curl of pear; Moria disease of pear; Pear leaf curl

Scientific pest name

Candidatus Phytoplasma pyri on perry pears

Type

Phytoplasma

Current status in UK

Present (Limited)

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

2

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

5

General biosecurity comments

The pest and vector are already present in the UK. Regulation appears to have been ineffective at preventing entry and establishment. A change of regulatory status is being considered at EU level. Industry may also want to review their management practices.

Defra's Risk register #2

Plant name

Pyrus communis 'Invincible' (Pear 'Invincible')

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

Type

Insect

Current status in UK

Absent

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

2

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

5

General biosecurity comments

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

Defra's Risk register #3

Plant name

Pyrus communis 'Invincible' (Pear 'Invincible')

Common pest name

Round headed apple tree borer

Scientific pest name

Saperda candida

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)

4

General biosecurity comments

American wood boring beetle; single European incursion into a German Island in the Baltic; limited likelihood of introduction into the UK due to small volume of trade and import inspections. Possible EU listing will limit risk further.

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: Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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