Allium cepa 'Perutile'

RHS Plant Profile
ever-ready onion

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Synonyms

Allium perutile

Herbs - Culinary Bulbs
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An easy to grow, clump-forming, perennial, non-flowering onion. Green chive or spring onion type leaves and the small shallot-like bulbs can be used raw in salads or for cooking

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or 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)
H5

Colour & Scent

Fragrance Foliage Fruit
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
Unresolved

How to Grow

Cultivation

Grow in free-draining, fertile soil in full sun. Keep well watered in dry periods but stop watering when bulbs become swollen. See how to grow: onions for further advice

Propagation

Propagate by division (non-flowering so does not set seed)

Pruning

Remove faded leaves

Pests

May be susceptible to onion fly, leek moth and narcissus eelworm

Diseases

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