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Allium cepa (Cepa Group) 'Turbo' (Onion 'Turbo' )

Advanced
skill rating
4 hours care
per year
0.5m
Max height
0.2m
Max spread
1-2 years
To maturity

Plant details

Botanical name

Allium cepa (Cepa Group) 'Turbo'

Other names

Onion 'Turbo'

Genus

Allium Allium

Variety or Cultivar

'Turbo' _ 'Turbo' is a bulbous perennial cultivated as a vegetable with upright, strap-like, grey-green leaves and small, spherical edible bulbs with golden-brown skin and crisp, white, layered flesh. This cultivar is best planted in spring.


Allium cepa (Cepa Group) 'Turbo' is: Deciduous

Habit

Upright

Awards

RHS AGM (Award of Garden Merit)

Foliage

Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn

How to care

Watch out for

Specific pests

Eelworm (stem and bulb) , Leek moth , Onion fly Eelworm (stem and bulb) , Leek moth , Onion fly

Diseases

Good tolerance to mildew.

Bolting , Bull neck , Neck rot , Rust , Saddleback , Shanking , Smut , White rot , White tip Bolting , Bull neck , Neck rot , Rust , Saddleback , Shanking , Smut , White rot , White tip

General care

Pruning

Break off any flower heads that appear. Harvest onions in approximately 90 days when the leaves fall over and turn yellow.

Propagation

Best grown from sets. Plant seeds 1cm deep in rows 30cm apart. This cultivar is best planted in spring. Thin out weak seedlings.

Propagation methods

Seed, Sets


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Where to grow

Allium cepa (Cepa Group) 'Turbo' (Onion 'Turbo' ) will reach a height of 0.5m and a spread of 0.2m after 1-2 years.

Suggested uses

Add to salads, Beds and borders, Flavouring food and drinks

Cultivation

Water in dry periods. Stop watering when onions are swollen. Best to rotate site annually.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, 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

Allium cepa (Cepa Group) 'Turbo'

Other names

Onion 'Turbo'

Genus

Allium Allium

Variety or Cultivar

'Turbo' _ 'Turbo' is a bulbous perennial cultivated as a vegetable with upright, strap-like, grey-green leaves and small, spherical edible bulbs with golden-brown skin and crisp, white, layered flesh. This cultivar is best planted in spring.

Native to

Garden origin

Foliage

Deciduous

Habit

Upright

Awards

RHS AGM (Award of Garden Merit)


Colour

Foliage

Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn


How to care

Watch out for

Specific pests

Eelworm (stem and bulb) , Leek moth , Onion fly

Diseases

Good tolerance to mildew.

Specific diseases

Bolting , Bull neck , Neck rot , Rust , Saddleback , Shanking , Smut , White rot , White tip

General care

Pruning

Break off any flower heads that appear. Harvest onions in approximately 90 days when the leaves fall over and turn yellow.

Propagation

Best grown from sets. Plant seeds 1cm deep in rows 30cm apart. This cultivar is best planted in spring. Thin out weak seedlings.

Propagation methods

Seed, Sets


Monthly care advice


Where to grow

Allium cepa (Cepa Group) 'Turbo' (Onion 'Turbo' ) will reach a height of 0.5m and a spread of 0.2m after 1-2 years.

Suggested uses

Add to salads, Beds and borders, Flavouring food and drinks

Cultivation

Water in dry periods. Stop watering when onions are swollen. Best to rotate site annually.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, 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)

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This plant likes... Garden match
Soil types: Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Alkaline, 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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