Bocking 4 Comfrey
Symphytum x uplandicum 'Bocking 4'X1876
The preferred type for farming use. Highest concentration of protein. More rust-resistant. A natural hybrid between Symphytum officinale and Symphytum asperum. See Russian Comfrey Bocking No. 14 also. Recommended as fodder, especially for pigs and poultry.
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About Bocking 4 Comfrey
Hardiness zone
4-9
Exposure
Sun-PartSun
Product use
Culinary; Medicinal
Duration
Perennial