Meadowsweet Seeds Filipendula ulmariaPack: 50 seeds, 2g Filipendula ulmaria, also known as meadowsweet, is a hardy perennial suitable for cool to mild climates. The plants grow in upright clumps with serrated leaves and airy clusters of off-white flowers during summer. It prefers moist, fertile soil and thrives in sun to part shade. Perfect for rain gardens, pond edges, and lush beds that remain evenly damp. It attracts pollinators and adds a soft texture to borders and cottage gardens. Sowing guide The best time is late winter to spring. In mild areas, autumn sowing also suits. Seed prep, cold stratify 2 to 4 weeks in the fridge for more even germination. Depth, surface sow or cover very lightly, about 1 to 2 mm. Light, bright light helps germination. Temperature: keep 15 to 20°C until germination. Moisture, keep evenly moist. Do not let the seedbed dry. Germination window, 14 to 28 days, slower if cool. Prick out, transplant when seedlings handle easily. Spacing, 40 to 60 cm between plants. Site, sun to part shade; rich, moisture-retentive, well-drained soil. Care, mulch to hold moisture; cut back after flowering to tidy. Plant details Botanical name: Filipendula ulmaria Common name, Meadowsweet Life cycle, Perennial Height, 90 to 150 cm Spread, 45 to 60 cm Position, Sun to part shade Soil, Moist, fertile, well-drained Water, Regular, prefers consistent moisture Frost, Hardy