Allium cepa 'Winter White Bunching'

RHS Plant Profile
onion (salad) 'Winter White Bunching'

Save a plant

Where do you want to save Allium cepa 'Winter White Bunching'?

Plants I own
Wishlist
Go to My Plants
Herbs - Culinary Bulbs
Buy this from Plant Nurseries
1 Suppliers

A dual purpose onion that can be planted either in late August for pulling in May or in Spring/early Summer for a Summer or Autumn harvest. Excellent over-wintering qualities with exceptional resistance to fungal disease

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Well–drained
pH
Neutral or Alkaline

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
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 fertile, moist but well drained soil, in full sun, in a sheltered site. Sow every two weeks between March and September for a continual Summer harvest and leave late sowings to over-winter for an early Summer crop the following year. Harvesting can ususually start 6 weeks after sowing. See Vegetable Cultivation

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types

  • Patio and container plants

Pruning

No pruning required

Pests

May be susceptible to onion fly. Birds may be a problem, protect with fleece or netting

Diseases

May be susceptible to onion white rot