6x Allium 'Purple Sensation' Purple - BioA striking spring bloomer for a magical spring garden! The ornamental onion 'Purple Sensation' (Allium) decorates the garden, the patio and the balcony with deep purple, spherical flowers on long stems. The flowers attract pollinators and are also beautiful in a bouquet as cut flower. Plant the bulbs in the autumn in well drained soil. The flowers will bloom in the spring. You can plant the bulbs in the open ground or in a decorative pot. In a pot,