Shrubby plant with 1 1/2-inch-long leaves grows 2 to 3 feet tall. Perennial. Zones vary.

Best culinary varieties: Greek (O. vulgare hirtum) has gray green leaves; zones 8–9, 12–24. Italian (O. x majoricum) has milder bright green leaves; zones 4–24.

Growing tip: Needs especially good drainage. Plants thrive on little to moderate water.

Harvest tip: Oil is strongest when the plant is in bud but before flowers open. Cut back to 4 inches tall in late spring, summer, and fall.

Uses: Beans, cheeses, eggs, meats, pastas, salsas, sauces, soups, stews, and vegetables.

Home-grown herbs