Bocking 14
Symphytum 'Bocking 14'
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About Bocking 14
The most widely grown Russian comfrey cultivar, selected by Lawrence D. Hills at the Henry Doubleday Research Association in Bocking, Essex in the 1950s. A sterile, non-seeding, rust-resistant clone prized in permaculture and organic gardening for its exceptionally high potassium content and use as a fertilizer, compost activator, and mulch.