- You Will Get 1000 Seeds Of Alyssum, Sweet White Flower, Fragrant Flower Seeds. - Annual. - White. - 4-12" tall. - Sun or part shade. - Alyssum forms a solid mass of fragrant white flowers and blooms from spring til frost. - You can smell the sweet fragrance without bending down. - Plant them in masses along your sidewalk or other places where you can enjoy the aroma. Grows quickly.