Ornamental onion (Allium) 'Ambassador'
RHS Award-winner Allium has strong thick ribbed stem, large glossy green leaves til flowering, with large globe-shaped inflorescence, 20 cm across, densely packed with hundreds of small, star-shaped dark purple flowers. It remains ornamental in the garden well into summer. Good cur flower in fresh and dried arrangements.
Favorite of bees, butterflies and other pollinators.
Winterhardy perennial bulb
Height 90-120 cm
Width 30-60 cm
Spacing 20 cm
Site sunny, medium moisture, well drained, rich, chalky, sandy soil