Rosemarinus officinalis. Tender perennial herb. Bright green, aromatic, needle-like evergreen foliage. Blue flowers. Good in containers, hanging baskets, and as ground cover. Grows to 24" tall with 6-8' spread. Blooms in early spring. Full sun. Tolerates hot sun. Plant in loose, well-drained soil; dislikes heavy clay. Zones 8-10. Can be wintered indoors in colder areas.