Sage is a hardy perennial with soft, grayish green leaves. Its flower colors vary; they can be purple, pink, blue, or white. Common sage is used most commonly for cooking; .
Prune the heavier, woody stems every spring
The leaf is used to make medicine. Sage is used for digestive problems, including loss of appetite, gas (flatulence), stomach pain (gastritis), diarrhea, bloating, and heartburn.