0131 445 4698

Damhead Nursery
Damhead Farm
Lothianburn
Midlothian
EH10 7DZ

Details

 

Allium 'Globemaster' is a large bulbous perennial with strap-shaped, grey-green leaves and globular clusters of starry violet-purple flowers in summer on stems to 80cm in height

 

Hardiness

H6 - Hardy in all of UK and northern Europe (-20 to -15)

 

Aspect

South-facing, North-facing, West-facing or East-facing

 

Exposure

Sheltered

 

Moisture

Well-drained, Moist but well-drained soil

 

Soil

Chalk, Clay, Sand, Loam

 

pH

Acid, Alkaline or Neutral

 

Size

Ultimate height

 0.5 - 1 metres

Ultimate spread

 0.1- 0.5 metres

Time to Ultimate size

About 2 – 5 Years

 

How to grow

Cultivation

Easy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage

 

Propagation

Propagate from seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn

 

Suggested planting locations and garden types

Flower borders and beds Cut Flowers Cottage & Informal Garden Gravel Garden Rock Garden

 

How to care

Pruning

No pruning required

 

Pests

Generally pest free

 

Diseases

Generally trouble-free: Onion white rot and a downy mildew may occur

Allium Globemaster

Pot Size & Form