Vegetable. Enjoy multi harvests. Days to harvest 45. Since 1856. The most popular loose-leaf lettuce for home gardens everywhere! Its frilled, crumpled leaves are attractive, crisp, tender and appetizing. A vigorous grower, high in vitamins A and B. Cool weather vegetable. Days to Germination: 7-10. Planting Depth: 1/4 inch. Days to Harvest: 45. Spacing Row/Plant: 18 inches/6 inches. plantationproducts.com.