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Allium lusitanicum ‘Summer Beauty’

Portuguese Allium

Loved by Pollinators Fragrant Scent Hardiness H6

Rounded heads of pale lilac-purple flowers appear in mid and late summer above the grassy foliage of Allium lusitanicum ‘Summer Beauty’. This compact ornamental onion attracts pollinators and brings neat colour to sunny borders, gravel gardens and container planting.

SKU: ALLI-22-Y

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Plant Details

Size

Max Height
0.1 m — 0.5 m
Max Spread
0.0 m — 0.1 m
Growth Habit
Grows in tight bunches from base, forming rounded groups.

Planting Position

Sunlight Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Full Sun Part Shade
Aspect Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
West South East
Exposure Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
Hardiness H6 (−20 to −15 °C) Very cold-hardy

Ideal Soil Conditions

Soil Type Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Chalk Clay Loam Sand
Soil Moisture Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable / Free draining
Soil pH Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Alkaline Neutral

Plant Uses & Merits

Uses
  • Patios / Courtyards
  • Coastal Areas
  • Containers
  • Rockeries
  • Flower Borders
Merits
  • Fragrant
  • Loved By Pollinators

Allium lusitanicum ‘Summer Beauty’ Description

Allium lusitanicum ‘Summer Beauty’ forms a compact clump of narrow, onion-scented green leaves, topped by rounded clusters of pale lilac-purple flowers from midsummer into early autumn. Unlike many spring-flowering ornamental onions, its foliage generally remains present and attractive while the flowers are open. Growing to around 30cm, it fits easily near the front of a border, among low grasses, in gravel planting or in a container. Bees and other pollinators visit the many small flowers. Plant in full sun or light shade in soil that drains well but does not become excessively dry. It is hardy and dependable, although avoiding stagnant winter moisture will improve longevity in wetter Irish gardens.