Yellow petals open from a maroon centre, as the flower matures it will blush with apricot and a soft blush of pink. Dahlia Yellow Jill is a simply beautiful ball-shaped dahlia, the colours blend beautifully and will add a touch of elegance to the garden, dahlia tubers are the most economical garden plants providing an endless supply of cut flowers, they look lovely planted on there own or mixed through contrasting dahlias, or mix with Gladioli, Crocosmia, and hardy perennial plants in shades of reds, yellow, orange, maroon, blues and greens.