Dahlia "Thomas A Edison"

(ID) Informal Decorative. The "Thomas A. Edison" dahlia is a timeless heirloom variety, first introduced in 1929, that remains one of the most popular purple dahlias today. It is beloved for its "electrifying" color and reliable, vigorous performance. Features deep, velvety magenta-purple or dark plum blooms that often appear darker toward the center. Impressive in size, the flowers typically span 6 to 8 inches. The plant itself reaches a height of 3 to 4 feet with a spread of 18–24 inches.