Growing different types of plants alongside dahlias can create a full and painterly display, enhancing the beauty of backyard ...

Dahlias are some of the boldest and largest blooms you can add to your garden, and these gorgeous, expert-recommended ...

A fantastic, bright purple dahlia with Semi Cactus flowers ... I've been looking for a dahlia like this for zappy contrast in my dahlia borders and arrangements. Telegraph Gardening readers ...

Species dahlias come true from seed and one of the best is Dahlia merckii. The pinky-white flowers are delicate and nodding and the foliage fine-cut, rather like thalictrum. Useful in Gertrude ...