Lemon Balm Organic seeds produce aromatic perennial herbs prized for their citrus-scented foliage. These easy-to-cultivate plants thrive in partial shade to full sun and reach 12-24 inches in height. Harvest leaves regularly to encourage bushy growth and utilize in teas, culinary applications, or medicinal preparations. Germination typically occurs within 7-14 days when planted ¼ inch deep in well-draining soil.