Karma Maarten Zwaan' is a sophisticated white decorative dahlia highly favored for wedding and elegant floral work. Its pristine, snow-white, fully double blooms—often classified as a Waterlily form—feature a subtle, soft lime-green center, adding a touch of freshness. Bred for the cut-flower trade, it is an extremely vigorous and prolific bloomer, producing an abundance of 4 to 5.5-inch flowers on thin yet sturdy stems.