Tropaeolum nanum Flowers range in shades from pearly yellow to coral with sweet red centers, this variety has a stunning contrast between flower and foliage. Named for the dessert— peaches with raspberry sauce—created to honor 19th-century operatic soprano Nellie Melba. Score seed (lightly rub sand paper or a nail file over the seeds) and soak for 24 hours before planting. Summer blooming. Full sun to partial shade. Annual.