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Herbs - CulinaryBulbs

Allium cepa (Cepa Group) 'Red Baron'

onion 'Red Baron'

A mid to late-cropping onion with dark red skin and firm, white flesh, each layer with a dark red rim. It has a good, strong flavour and stores well

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Red
Summer Green Red
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Amaryllidaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem

Name status

Accepted

How to grow

Cultivation

Grow in a sunny, sheltered site in fertile, alkaline or neutral, well-drained soil. See onions (Grow your own)

Propagation

Propagate by seed or by onion sets. See how to grow: onions or sowing vegetable seeds

Suggested planting locations and garden types
Pruning

No pruning required

Pests

May be susceptible to onion fly

Diseases

May be susceptible to onion downy mildew, onion white rot, onion neck rot and leek rust

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.