Rosemarinus officinalis. Tender perennial herb from Italy. Aromatic, evergreen leaves are twice the size of regular rosemary. Large light blue flowers. Borders, rock gardens, containers. Grows 3-5' tall. Blooms winter to spring. Full sun. Plant in loose, well-drained soil; dislikes heavy clay. Zones 8-10. Can be wintered indoors in colder areas.