Botanical name
Allium lusitanicum
Other names
Mountain garlic , Allium ‘Summer Beauty’, Ornamental onion ‘Summer Beauty’, Ornamental garlic ‘Summer Beauty’, Allium senescens subsp. montanum
Genus
Allium
Species
A. lusitanicum – A. lusitanicum is an upright, clump-forming, bulbous perennial with strongly aromatic, linear, mid-green leaves and sturdy, hollow stems bearing dense, rounded umbels of purple-pink to pale pink flowers in summer
Foliage
Deciduous
Habit
Clump-forming, Erect flower stem
COLOUR
Flower
Purplish-pink, Pale-pink in Summer
Foliage
Mid-green in Spring; Mid-green in Summer
HOW TO CARE
Watch out for
Pests
Pest free, may suffer from slugs on new growth.
Specific diseases
Onion rot , Downy mildew
General care
Pruning
Deadhead regularly. If desired, remove leaves only after they have completely died down.
Propagation
This species forms a weak bulb on a rhizome. Lift and divide rhizome clump in spring.
Propagation methods
Division, Seed
WHERE TO GROW
Allium lusitanicum (Mountain garlic ) will reach a height of 0.4m and a spread of 0.3m after 2-5 years.
Suggested uses
Architectural, Cottage/Informal, Flower Arranging, Beds and borders, Gravel
Cultivation
Plant bulb (with rhizomes) at or just below the soil surface in spring in fertile, well-drained soil in sun. Benefits from light afternoon shade in areas with hot summer. Tolerates a wide range of soil types. Add grit to clay soils.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
North, South, East, West
Exposure
Sheltered