Lemon Balm Seeds Growing Zone: Lemon balm, scientifically known as Melissa officinalis, is a versatile and fragrant herb that thrives in various climates. It is well-suited for USDA Hardiness Zones 4-9, although it can be grown as an annual in colder regions and as a perennial in warmer climates. How to Grow Lemon Balm from Seeds: Seed Starting: Start lemon balm seeds indoors about 6-8 weeks before the last frost date in your area. Plant the seeds in seed-starting trays or pots filled with well-draining potting soil. Lightly cover the seeds with soil and keep them moist. Germination: Lemon balm seeds typically germinate within 1-2 weeks when provided with consistent warmth and moisture. Maintain a temperature of around 70-75F (21-24C) to encourage germination. Transplanting: Once the seedlings have developed several sets of true leaves and all risk of frost has passed, transplant them outdoors to a sunny or partially shaded location with fertile, well-draining soil. Space the plants about 12-18 inches apart. Growing Conditions: Lemon balm thrives in full sun to partial shade and prefers moist, well-draining soil. Water the plants regularly to keep the soil evenly moist, especially during hot and dry periods. Adding a layer of mulch around the plants helps retain moisture and suppresses weed growth. Maintenance: Lemon balm is a relatively low-maintenance herb. Prune the plants regularly to encourage bushy growth and prevent them from becoming leggy. Deadhead flowers to prolong the growing season and prevent self-seeding. Pests and Diseases: Lemon balm is generally resistant to pests and diseases. However, keep an eye out for common issues such as aphids, spider mites, and powdery mildew, and treat them promptly if they occur. Harvesting Time: Lemon balm can be harvested once the plants have reached a sufficient size, usually when they are 6-12 inches tall. Harvest individual leaves or stems as needed throughout the growing season. For the best flavor, harvest the leaves in the morning when the essential oils are most concentrated. Uses of Lemon Balm: Lemon balm is prized for its refreshing lemony scent and flavor, which makes it a versatile herb in culinary and medicinal applications. It is commonly used to flavor teas, salads, soups, and sauces. Lemon balm leaves can also be used to make infused oils, vinegars, and syrups. Medicinally, lemon balm is valued for its calming and soothing properties and is often used to relieve stress, anxiety, and insomnia. Additionally, lemon balm is believed to have antibacterial and antiviral properties and may be used to treat cold sores and other minor ailments.