Cornflower ‘Blue Ball’ (Centaurea cyanus)

The best blue strain of this popular cut flower. Sow seeds from mid-autumn until early spring. When to sow: mid-autumn until early spring 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. 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.