Genus Ilex Species x meserveae Cultivar 'Heckenstar' Patent 14308 Common Name Proven Winners®Color Choice® Castle Wall® Blue Holly Zone 5 to 8 Habit Broad-columnar habit. Moderate growth rate. Height 5 to 8 Feet Spread 4 to 5 Feet Foliage dark green with spines. Evergreen., Glossy Flower in spring., Small, White Culture Full sun to partial shade. Categories: Evergreen Shrub Holly Proven Winners® Color Choice® Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window) Description Use to pollinate Castle Spire® A broad-columnar shaped male blue holly with lustrous dark green leaves.