080717 ECHS 2G Published August 10, 2017 at 450 × 600 in How does the garden grow? A pictorial from mid-July to early August Helipterum roseum “Pierrot” and Centaurea cyanaus blue flowers hidden in between the dahlias. Helipterum roseum “Pierrot” and Centaurea cyanaus blue flowers hidden in between the dahlias.