Allium roseum var. bulbiferum

Save a plant

Where do you want to save Allium roseum var. bulbiferum?

Plants I own
Wishlist
Go to My Plants
<em>Allium</em> <em>roseum</em> var. <em>bulbiferum</em> visionspictures.com

Synonyms

Allium roseum 'Grandiflorum'

Plants for pollinators
Bulbs

Bulbous perennial about 65cm tall, with linear mid-green basal leaves to 35cm long. Loose umbels of cup-shaped pale pink flowers with bulbils present, are produced in summer, but often have more bulbils and less flowers; may become a nuisance if conditions allow, and is now naturalised in parts of the British Isles

Position

Full sun

Soil Types

Chalk, 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 Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or 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)
H6

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

How to Grow

Cultivation

Grow in full sun and fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. Note: may become a nuisance where bulbils are plentiful. See allium cultivation

Propagation

Propagate by seed, or bulbils, or division of clumps in spring or autumn. See bulb propagation

Suggested planting locations and garden types

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

Pruning

No pruning required, other than to remove unwanted bulbils, old flowered stems and foliage

Pests

May be susceptible to allium leaf miner and onion fly

Diseases

May be susceptible to onion white rot, and onion downy mildew