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Michael Judd says that if permies.com brings in $5000 to his kickstarter, then permies.com can decorate an entire page in his new book! I'm not sure what we would put there just yet, but the opportunities for comedy are endless!
Location: Wellington, New Zealand. Temperate, coastal, sandy, windy,
posted 5 years ago
Hi John, we don't have 'true comfrey' (Symphytum officinalis) in NZ, but the Bocking hybrids (Symphytum x uplandicum) are common.
Since Bocking's sterile but easily propagates from root cuttings, I'd probably go for that so I could control spread. It's a moot point really, since Symphytum officinalis isn't available to me.
Another thing in Russian comfrey's favour is it's extremely productive in terms of biomass: I can harvest mine at least 3 times a season.
I think Bocking 4 is supposed to be the most nutrient-dense, but Bocking 14's readily available here.