2nd Year Maturity. 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. Shasta daisies were selectively bred by pioneering American horticulturist Luther Burbank and are vigorous performers across a wide array of North American gardens.