Blue and green dahlia flowers are go-to blooms for those making changes in their lives. They are a symbol of a fresh start ...

Dahlia plants were originally a foraged food source and used as a water-carrying device thanks to their hollow stems. Today, they are primarily grown as a cut flower and used in weddings and bouquets.

English Heritage has also re-started a dahlia competition - a "New Hero of Stonehenge" will be chosen. The annual shows of the flowers in the 1840s attracted crowds of up to 10,000 people ...