Tuscan Blue is an upright rosemary with tall, straight stems, deep green needle-like foliage, and clear blue flowers in the cool months. It is the variety cooks favor for its strong flavor and the one landscapers reach for when they want an aromatic evergreen with real presence.

Give it full sun and sharp drainage; a raised bed or slope suits it, and it would rather be too dry than too wet. Once established it handles drought, salt, and deer. Snip stems for the kitchen year-round, which doubles as pruning.