Allium fistulosum 'Savel'

RHS Plant Profile
onion (salad) 'Savel'
Plants for pollinators
Bulbs Herbs - Culinary

A clump-forming perennial that is both edible and decorative, producing spring-onion-like shoots from late spring to autumn, and conical to rounded heads of small, white flowers in mid-summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Amaryllidaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
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

Easy to grow in fertile, well-drained soil.

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens

Pruning

Deadhead after flowering

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to onion white rot and onion downy mildew