Comfrey

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Image courtesy of Jelitto Staudensamen GmbH. Symphytum officinale Clusters of bell shaped violet to cream flowers in late spring to summer. Forms a vigorously spreading clump of la rge leaves. Grown for medicinal purposes and to improve the soil in permaculture systems. Attracts pollinators. Poor to fertile, moist, well-drained soil. Sun or shade. Height: 75-120cm (30-48 in.), Spread: 90-150cm (3-5 ft.) Zone 2 Show more