£3.25 – £16.50
Allium Nigrum. This allium is Ideal for the herbaceous border or front borders grown in clumps or drifts. The flowers are slightly bigger than a tennis ball, and are borne on stems 60-80 cm tall. This allium looks good with the allium Purple Sensation.
Bulb Size 12+ (top size)
10 bulbs, 30 bulbs, 5 bulbs
Plant: late September to late November. 10cm deep. Spacing 25cm. Flowers May-June. Flower height 60-80 cm.
Hardy. Perennial. Needs well-drained, fertile soil. Full sun or half shade. Feed with a slow release fertilizer. Ideal for borders, if growing in containers, make sure the bulbs have plenty of root space and feed with a slow release liquid feed, Growmore is ideal.
Propagate: When bulbs are overcrowded, lift once the flower stem has dried out and comes away from the bulbs easily. Separate the bulbs and store in a cool dark place, replant in the autumn.