List of Award of Garden Merit dahlias

The following is a list of dahlia cultivars which have gained the Royal Horticultural Society's Award of Garden Merit.

They are tuberous perennials, originally from South America, with showy daisy-like composite flowerheads in all shades and combinations of white, yellow, orange, pink and red, flowering in late summer and autumn (fall).

They may be sold as dry tubers in Spring, and started off in heat before being planted out after all danger of frost has passed.

Dwarf bedding types are usually cultivated as annuals and discarded after flowering.

[1] Flower shapes can be divided into 14 main groups:- As of 2015, 124 cultivars are listed.