Bell-Shaped Flowers
Produces clusters of delicate tubular flowers in purple, pink, and creamy-yellow shades.
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True Comfrey, scientifically known as Symphytum officinale, is a hardy perennial herb recognized for its large, rough, dark green leaves and clusters of bell-shaped flowers in pink, purple, or creamy-yellow shades. Native to Europe and western Asia, this traditional garden plant is valued for its vigorous growth, attractive foliage, and usefulness in composting and organic gardening. True Comfrey grows well in fertile, moisture-retentive soil with full sun to partial shade, making it suitable for herb gardens, wildlife gardens, and managed perennial planting areas.
Produces clusters of delicate tubular flowers in purple, pink, and creamy-yellow shades.
Develops broad, coarse, hairy green leaves that create a distinctive leafy appearance.
Forms established clumps with a deep root system and returns year after year.
Its leaves can be added to compost as a source of organic garden material.
| Scientific Name | Symphytum officinale |
| Common Name | True Comfrey; Common Comfrey; Knitbone |
| Plant Family | Boraginaceae |
| Plant Type | Herbaceous Perennial Herb |
| Seed Type | Herb Seeds |
| Growth Habit | Upright, clumping, spreading perennial |
| Flower Color | Purple, pink, or creamy-yellow |
| Foliage | Large, rough, hairy green leaves |
| USDA Hardiness Zones | 4–8 |
| Planting Season | Spring or autumn |
| Seed Starting | Sow in pots or directly in prepared garden soil |
| Germination Time | Varies with seed freshness and growing conditions |
| Germination Temperature | Follow supplier-specific seed germination instructions |
| Sunlight | Full sun to partial shade |
| Soil Requirements | Fertile, organically rich, moist, well-drained soil |
| Watering | Maintain moderate soil moisture, especially during establishment |
| Mature Plant Height | Approximately 3–5 feet |
| Mature Plant Spread | Approximately 2–5 feet, depending on conditions |
| Blooming Period | Late spring through summer |
| Propagation | Seeds, root cuttings, and division |
True Comfrey brings attractive foliage, delicate bell-shaped flowers, and vigorous perennial growth to suitable garden spaces. Its leafy growth can also contribute useful organic material to compost. Provide fertile soil, suitable sunlight, and regular moisture to establish this traditional garden herb. Plant responsibly and keep it contained where its spreading growth could become difficult to manage.
Find helpful information about True Comfrey seed germination, its differences from Russian Comfrey, and managing its vigorous perennial growth.
Sow True Comfrey seeds in pots or prepared garden soil using a suitable seed-starting medium. Follow the recommended sowing depth provided by the supplier and maintain moderate moisture. Seeds can be started in autumn or spring, with germination depending on seed freshness and growing conditions. Transplant established seedlings into fertile, well-drained soil in full sun or partial shade.
True Comfrey (Symphytum officinale) is a species native to Europe and western Asia that can produce pink, purple, or creamy-yellow flowers and can reproduce through seeds. Russian Comfrey (Symphytum × uplandicum), including the Bocking 14 cultivar, is a hybrid commonly grown for its vigorous leafy growth and is generally propagated through root cuttings or division. They are different planting materials and should not be confused when purchasing seeds.
Yes. True Comfrey develops a strong root system and can spread through root growth and seeds. Small root fragments left in the soil can produce new shoots, making established plants difficult to remove completely. Growing it in large containers, removing unwanted flower heads before seed formation, and carefully managing root growth can help control its spread. Avoid disturbing established roots unnecessarily.