Spartacus is a rich dark red dahlia, but Steve Meggos has bred yellow, lavender, orange, white and bicolored flowers with it. Meggos, who has been growing the big, exotic blooms for 30 years, has ...

Their more regal cousin, purple dahlias, add a vibrant touch to any garden or bouquet. “Purple is enigmatic, royal and slightly empathetic,” Sixx says of the wide array of purple dahlia varieties.