20 SWEET CICELY Myrrhis Odorata Herb Flower Seeds BLOOM TIME: Late Spring - Early Summer HARDINESS ZONE: 3 - 8 (and reseeds itself easily) PLANT HEIGHT: 36 - 48" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average Sweet Cicely is a rare herb. It is grown for its lacy and ferny foliage. It is wonderfully fragrant and has a licorice flavor.