Yellow Sweet Clover (Melilotus officinalis) – Biennial A tall, fragrant pollinator plant with clusters of small yellow flowers that produce abundant nectar. Highly attractive to bees and valued for strong, consistent bloom in its second year. Sowing tips: Depth: 5–10 mm (¼–½ inch) Germination: 7–14 days Spacing: can be sown dense, but thin if overcrowded Coverage (dense sowing): ~20–30 sq ft per 20 g Growing notes: Height: typically 3–5 ft (can grow taller in rich soil) Sun: full sun preferred Water: low to moderate; drought tolerant once established Soil: thrives in poor to average soils; very adaptable Helpful info: Year 1: vegetative growth (low profile) Year 2: tall plants with heavy flowering and strong pollinator activity Deep roots improve soil structure and fix nitrogen Can self-seed if allowed to mature Best placed toward the back of beds due to height General Sowing (Urban / Flowerbeds) Timing: Spring or early fall Prep: Loosen topsoil (2–5 cm), remove weeds Seed: Broadcast evenly and lightly cover Water: Keep moist until established Tip: Expect limited blooms the first year—this plant is a long-term pollinator investment.
