Allium Hollandicum 'Purple Sensation' - Allium, Ornamental Onion: Information and Pictures from Plant Encyclopedia

Allium Hollandicum 'Purple Sensation' - Allium, Ornamental Onion
Type	Herbaceous, Bulb, Deciduous
Size	Medium Border (50-100cm height)
Form	Spikey
Colours	Medium green Foliage, Purple Flowers (Spring)
Care	Some maintenance required
Hardiness	Frost hardy
Growth	Fast growing

Cultivation tips: Alliums prefer well drained soils in full sun, coping well with poorer soils. Plant as bulbs in autumn in among herbaceous plants and grasses. Mulch annually in cold areas. Divide and replant older clumps in late summer. Well suited to planting in pots or tubs where it can be treated as an annual bulb and then plant out in the border.