Rosemary is a dense, evergreen, aromatic shrub with resinous, needle-like leaves, and soft, blue, pollen-rich spring flowers. It is grown for its attractive flowers and its aromatic, gray-green leaves. Uses: Rosemary leaves are an ancient savory herb, especially popular in Italian dishes and with shellfish, pork, and lamb. The flowers can be used fresh as a garnish or crystallized as decoration. Habitat: Well-drained soils, sun.