Evergreen Genovese Basil is your go-to for leaves that retain their robust flavor through the cooking process. Leaves are generally two to three inches long, cupped and glossy. Evergreen Genovese Basil is considered a compact variety, growing no more than 18 to 24 inches high. This tidy plant is actually bred for continual harvesting, so pinch away as needed and watch as more leaves appear throughout the season.