Full Sun
Easy care
Moderate watering
Frost Hardy
6a
USDA zone
-23°C
Minimum temperature
Expected size
Height | Spread | |
---|---|---|
1.5m | Max | 2m |
30cm | Min | 50cm |
Flowering
-
spring
-
summer
-
autumn
-
winter
This plant has a mild fragrance


More images of Comfrey
Comfrey Overview
Symphytum officinale is often known as Comfrey or Common Comfrey, amongst other names. It is a vigorous perennial, forming clumps with pendant, tubular flowers. Flowers may be purple-violet, pink, or creamy-yellow in colour. Comfrey makes an excellent choice for shady borders or woodland gardens, but roots and leaves may cause discomfort if ingested, and the foliage may also irritate the skin. This plant may also be used for medicinal purposes, for liquid plant food, or manure.
How to harvest Comfrey
Leaves ready for harvest when about 60 cm long. Leaves are covered in fine hairs, take care to wear gloves. Using a sickle or scythe, cut the leaves about 5 cm above the base of the plant. foliage is at its best if cut before blooming time.
How to propagate Comfrey
Seed
Plant seeds in spring or fall, or sow inside during very cold winter. Transplant seedlings with a spacing of half a meter to a meter.
Cuttings
Division
Other uses of Comfrey
Ground cover, culinary, medicinal
Medicinal
Contains a small organic molecule allantoin, which is thought to stimulate cell growth and repair and suppress inflammation.