Dahlia imperialis (Bell Tree Dahlia)

Dahlia imperialis is a large herbaceous plant standing typically between 2-6 meters tall. Though it can attain tree size, like other dahlias it is an herbaceous plant that dies down to the ground in cold weather.

Flower color is variable, ranging from mauve (most common) to pale pink and even pure white. The flower center is orange-yellow. Double flower forms also exist, both pure white and pink.