Comfrey bocking 4 found and planted. Home›Forums›General Gardening›Sowing and Growing›Comfrey bocking 4 found and planted. This topic contains 0 replies, has 1 voice, and was last updated by Wellies 2 months ago. Viewing 1 post (of 1 total) Author Posts 13th September 2018 at 7:09 am #48507 WelliesParticipant Finally got hold of some bocking 4 (not 14) comfrey. I shall propagate this to end up with a big patch for composting and animal feed. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.