2nd-year maturity. Leucanthemum × superbum. Shasta Daisy Silver Princess Seeds. Non-GMO, Perennial. Ornamental. Shasta daisy Silver Princess seeds promise elegant, vibrant, classic American color to your home or garden. Silver Princess shasta daisy seeds grow compact 12-inch tall shrubs bursting with white 3-inch blooms, ideal for indoor planters or lining a flower bed or walkway. Shasta daisy Silver Princess seeds grow some of summer's most nostalgic blooms and are a fresh-cut favorite in seasonal baskets, arrangements, and bouquets. About 20,000 seeds per ounce.