Allium tripedale

RHS Plant Profile
three foot allium

Synonyms

Nectaroscordum tripedale

Plants for pollinators
Bulbs

A bulbous perennial with linear, keeled basal leaves to 30cm long, which smell of garlic. In summer stout stems to 1m produce dense clusters of 20-30 bell-shaped, white flowers, often with pink markings

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
1–2 years
Max Spread
0-0.1 metre
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness
H5

Colour & Scent

Fragrance Foliage
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
Correct
Plant Range
E Turkey to NW Iran

How to Grow

Cultivation

Grow in reasonably fertile, well-drained soil in full sun or partial shade. See allium cultivation

Propagation

Propagate by seed, or divide clumps in early spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Wildlife gardens
  • Patio and container plants
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free