It enjoys USDA zones three-9, but might be coaxed a tad more in both path. It may be grown pretty effortlessly from seed and is particularly criminally straightforward to propagate from root cuttings. With the more rapidly process, place your comfrey and oil inside of a pan and heat them https://zanderonfyr.wikidirective.com/6695006/comfrey_medicinal_properties_an_overview