The Zimbabwean Gardener Issue 2 Spring 2012 | Page 9

The Zimbabwean Gardener Dahlia flowers are mesmerizing. It’s difficult to believe that such odd, knobbly, brown tubers can possibly produce anything as absolutely perfect as a dahlia flower. Lavender Perfection Dinner Plate Did you know that the arrangement of the petals in dahlias conforms to a precise mathematical formula known as the Fibonacci sequence? The same pattern is echoed in art and nature in just about anything we call charming, elegant or beautiful. It’s in the graceful proportions of Ancient Greek architecture, in the balance of an exquisite human face and in the innermost spirals of a sea urchin’s shell. No wonder you can gaze into the neatly coiling petals of a pompon dahlia and lose all track of time. By now, I’m sure you will have mapped out your summer garden. If there’s anyone out there who still needs convincing that dahlias are a fantastically good choi