Harvey Koop is a violet informal decorative dahlia that produces large 8–10 inch blooms. It is listed in the American Dahlia Society classification system (class 1114).
Bay View Flower Farm
dahlia tuber
Birddog Flower Farm
Glenerie Farm
Lucky Penny Flower Farm
Meadowpoint Dahlias
square
River's Dahlias
squarespace
Informal Decorative · Violet