Basil cultivars are cultivated varieties of basil. They are used in a variety of ways: as culinary herbs, landscape plants, healing herbs, teas, and worship implements. The basil variety, ‘LettuceLeaf’ originated in Japan and is notable, as the name suggests, for its enormous leaf size, giving the basil devotee more than ample amounts of the sweet herb. Learn some tips on growing, caring for, and using this basil here. Napoletano basil or lettuceleafbasil.Basilgrows indoors or outdoors; it only needs six to eight hours of steady sunlight to grow well. Prune basil monthly (1/3 of the leaves) to encourage bushier, healthier growth. Growing Tips. LettuceLeafbasil thrives in warm weather and requires full sun, with 8-12 hours of direct sunlight per day. Basil is highly sensitive to cold and frost, so it is very important not to plant outdoors too early. Basil is one of the essential Italian herbs and is very easy to grow. An Italian basil plant, such as Genovese basil, with 2-3 inch long, dark green leaves, has a spicy, fragrant taste. Use for pesto, sauces, and general cooking. Lettuceleaf basi l has a larger leaf (4-5 inches)... GrowLettuceLeafBasil Seeds in containers or your organic herb or vegetable garden.[description action="start"]LettuceLeafbasil seeds produce very large, bright, puckered green leaves with a glorious aroma. Provide high soil fertility and a light, well-dug soil to get the largest leaves. Bush basilgrows to a height of around 10 inches with leaves of a maximum length of ½ inch.21 Its flavor is less vigorous than that of sweet basil and is grown primarily as a decorative plant.22. As LettuceLeafBasil abundantly grows up to 18-24" tall with 5" leaves, this sweet basil is most often grown to provide more protection to other plants. On one side sits a LettuceLeafbasil, growing low to the ground and a few feet around. (Each leaf is almost the size of my hand!) LettuceLeafBasil is an heirloom variety that has been grown and cultivated for its giant leaves and mild, sweet flavor. LettuceLeafBasil plants are densely foliated and grow vigorously. New. Green leafyLettuce plants in an Hydroponic growing setting. Lettuceleafbasil (also known as mammoth leafbasil) is a specialty Italian type with extra large leaves. Our seed is 100% satisfaction guaranteed. Basil is an annual herb of the mint family, grown for its aromatic leaves. Basil is likely native to India and is widely grown as a kitchen herb. The leaves are used fresh or dried to flavor meats, fish, salads, and sauces; basil tea is a stimulant. Lettuceleafbasil offers standard flavor in large, bright green foliage. If you prefer a more licorice-like flavor, grow Tulsi or Thai basil. Either works in Thai recipes, and Tulsi is great for calming herbal teas.