Cornflower ‘Florists Blue Boy’ (Centaurea cyanus)

Florists Blue Boy’ is a commercial cut flower strain of this popular, dreamy blue annual. Plant seed in a sunny spot in the open garden from late summer until late winter for a good spring or early summer display. Height 80cm. Space 20cm by 20cm. When to sow: Late summer to late winter Where to sow: Direct sow Depth to sow: 3 to 5mm Aspect:  Full sun or as sunny a spot as possible .Soil:  Prepared, well drained, fertilised soil. Add lime if soil is too acid. Spacing: Between plants: 30 to 40cm Between rows 60cm Directions:  An easily grown annual best planted by thinly sprinkling the seed in the open garden during late summer and autumn or plant a drill and thin seedlings to 30cm apart.