Lemon Balm Seeds 3005. A delightful lemon fragrance issues from leaves that are brushed and the leaves make a wonderful tea. Plants grow 30 cm (1′) tall in containers and to 60 cm (2′) in height when planted in the garden. We suggest growing this herb in partial shade on droughty soils. Lemon Balm, which is a member of the mint family, may self-sow and establish adventive stands. The nectar-filled white flowers are a major attractant for bees. Perennial reliably hardy to Zone 5 and to Zone 4 with winter protection.
How to Grow
1600 seed/gram. Sow seed directly outdoors in late May or again in late August/early September in a sunny spot with average soil. Plant seed 4 mm (3/16″) deep and 6 mm (1/4″) apart then thin to 30 cm (12″) apart. Seed can be started indoors in a soil-less mix 6-8 weeks before last frost date. Keep at 20 C (70 F) for the 10-14 day germination period, then grow on at a slightly cooler temperature before hardening off and planting out after the danger of frost has passed.