SEAHOLLY: Metallic blue flowers surrounded by sharp spikes on bluish-green foliage. Plants average 120 cm in height and need full sun and dry conditions to grow properly. Sow outdoors in mid-May or start in trays in April. Cover seeds only slightly with soil. On the aggressive side, so removal of the blossoms for dried material is recommended. Will bloom the second year. Very winter hardy.   50 seeds.    P518