For more than 100 years, the deep blue flowers and sweet, spicy fragrance of Blue Beauty waterlily (Nymphaea 'Blue Beauty') have delighted gardeners. The large, dark green leaves are spotted and blotched wih purple here and there. This very large grower (in width) is highly sensitive to cool water early in the season and should not be planted until the water temperatures are at or above 70 degrees Fahrenheit.