· Once established horehound needs little supplemental irrigation and can actually diminish the plant's health. The herb is adapted to low fertility areas but an all-purpose fertilizer can be applied in spring to encourage foliage growth. Horehound has no significant pest or disease problems. Plant in early spring, either from seed or transplants. Seeds are slow to germinate; therefore, sow shallow and keep moist for optimum emergence. Thin to 10 inches apart once established and harvest when the plant starts to bloom. Once established, horehound is very drought tolerant. · Horehound attracts the good bugs and deters the bad, and growing it is easy. Learn more about this wonderful herb and how to add it to your garden now. Learn how to grow and care for horehound. Complete care guide that covers everything you need to know. Looking for more herbs to grow in your medicinal garden? Consider growinghorehound for respiratory, digestive, and immune support. View allPlant in full sun with moist, well-drained soil. You have two options for planting seeds: Sow them directly into the garden at a depth of 1/4 inch after the risk of frost has passed. Alternatively, start seeds indoors four to six weeks before the average last frost date in spring. Horehound prefers full sun and rich, well-drained soil. The best time to plant horehound is in the spring whether you’re planting from transplant, cuttings, or seed. This gives it plenty of time to grow strong roots before going dormant in the winter. amazon.com has been visited by 1M+ users in the past month Transform your garden with an array of plants, seeds & flower bulbs. Order now. Grow green with our vibrant plant collection and bring life to your home. Plant in early spring, either from seed or transplants. Seeds are slow to germinate; therefore, sow shallow and keep moist for optimum emergence. Thin to 10 inches apart once established and harvest when the plant starts to bloom. Once established, horehound is very drought tolerant. · Horehound attracts the good bugs and deters the bad, and growing it is easy. Learn more about this wonderful herb and how to add it to your garden now. Learn how to grow and care for horehound. Complete care guide that covers everything you need to know. Looking for more herbs to grow in your medicinal garden? Consider growinghorehound for respiratory, digestive, and immune support. View allPlant in full sun with moist, well-drained soil. You have two options for planting seeds: Sow them directly into the garden at a depth of 1/4 inch after the risk of frost has passed. Alternatively, start seeds indoors four to six weeks before the average last frost date in spring. Horehound prefers full sun and rich, well-drained soil. The best time to plant horehound is in the spring whether you’re planting from transplant, cuttings, or seed. This gives it plenty of time to grow strong roots before going dormant in the winter. Looking for more herbs to grow in your medicinal garden? Consider growinghorehound for respiratory, digestive, and immune support. Horehound prefers full sun and rich, well-drained soil. The best time to plant horehound is in the spring whether you’re planting from transplant, cuttings, or seed. This gives it plenty of time to grow strong roots before going dormant in the winter. Transform your garden with an array of plants, seeds & flower bulbs. Order now. Grow green with our vibrant plant collection and bring life to your home. Plant in full sun with moist, well-drained soil. You have two options for planting seeds: Sow them directly into the garden at a depth of 1/4 inch after the risk of frost has passed. Alternatively, start seeds indoors four to six weeks before the average last frost date in spring.