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Types of Dahlias

Dahlia 'Bishop of Llandaff'
Dahlia 'Bishop of Llandaff'

Dahlias offer flamboyant flowers on lush plants from summer through fall, right up to the first frost. Fully hardy to zone 8, these hybrids of species native to Mexico and Colombia may overwinter in Zone 7 with a thick blanket of mulch.

Dahlia Imperialis
Dahlia Imperialis

The tree dahlia, Dahlia imperialis, king of the dahlias While many gardeners grow dahlias, few even know of the tree dahlia, Dahlia imperialis, the largest of them all. Though it can attain tree size, like other dahlias it is an herbaceous plant that dies down to the ground in cold weather.

source: botanyboy.org

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