A graceful, pale-mauve delphinium, 'Fanfare' is wonderful for adding a touch of romance to your plot. Look closer, and you'll spot the light blue on its under-petals and white eyes.

View A spray of white briar roses, a yellow-white delphinium, morning glory and red poppy in a vase on a ledge, with a burnet moth A white carnation, stephanotis, blue delphinium, lilac and nasturtium ...

Golden yellow, orange and red are the signature colours of autumn – but to make them truly shine, add striking pops of blue. Here are some stunning examples.

There are over 300 delphinium species throughout the northern hemisphere. They are perennials mostly found in cool, moist environments in Europe, Asia, montane tropical Africa, and the United States.