Mint - Spearmint – 50 Seeds (Mentha spicata) Mentha spicata, spearmint, is a hardy perennial herb. Plants form leafy clumps with bright green, serrated leaves. Stems spread by runners. Grow in a container or edged bed to manage spread. Suits full sun to part shade and moist, well-drained soil. Harvest young tips for the best flavour. Use fresh ingredients in drinks, sauces, and desserts. Sowing guide Best time, spring to early summer in temperate zones Seed size, very fine, handle with care Depth, surface sow, do not bury, press in lightly Light, light exposure supports germination Temperature, 18 to 22°C until germination Moisture, keep evenly moist, never waterlogged Germination window, 10 to 21 days in suitable conditions Prick out, transplant when seedlings handle easily Spacing, 25 to 30 cm between plants Site, sun to part shade, rich and well-drained soil Care, trim regularly to keep compact, mulch to hold moisture Plant details Botanical name: Mentha spicata Common name: Spearmint Life cycle, Perennial Height, 30 to 60 cm Spread, 30 to 60 cm, spreads by runners Position, Sun to part shade Soil, Moist, well-drained, fertile Water, Moderate to high in warm weather Frost, Hardy in many temperate climates