If this link doesn't work with your browser, simply copy and paste it into your URL bar. Its leaves contain 2-3 times more potassium than farmyard manure, mined from deep in the subsoil, tapping into reserves that would not normally be available to plants.” Comfrey is an excellent source of potassium, an essential plant nutrient needed for flower, seed and fruit production. There is also no risk of nitrogen robbery when comfrey is dug into the soil as the C:N ratio of the leaves is lower than that of well-rotted compost. These are then made available through its fast-growing leaves (up to 1.8-2.3 kilograms (4.0-5.1 lb) per plant per cut) which, lacking fibres, quickly break down to a thick black liquid.
It is very deep rooted and acts as a dynamic accumulator, mining a host of nutrients from the soil. “Comfrey is a particularly valuable source of fertility to the organic gardener. This snippet from the .uk website explains Comfrey's value to the Organic Gardener. We recommend using gloves when working with this product. Great plant to include in your composting. Flowers are bell-shaped and the colour is either yellow or blue hues, they form distinctive curled clusters. Powdered herbs are also sometimes used in tincture or fluid extract production.Smaller leaves that are also bristly but lack petioles are borne on 60-90cm tall flowering stems. Powdered herbs like Symphytum officinale Rad / Comfrey Root Powder might be used by herbalists in the production of herbal capsules. This means we can produce everything from a course powder, which might be used in a herbal tea or infusion, to a very fine powder. Using our powdering machine we can choose the size of the ground herb particle. Sometimes we source powdered herbs directly from our suppliers. A few years ago, after I had commented on an online site about the dangers of using Comfrey, a well-known animal herbalist called me on the phone. We take high quality whole or cut herbs and process them using our powdering machine. Even today, years after pyrrolizidine alkaloids were found and identified in Comfrey (aka Symphytum officinale), herbalists continue to recommend its use. Powdered herbs like Symphytum officinale Rad / Comfrey Root Powder are exactly that.
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These keep the contents fresh and protected from moisture and light. This product is packaged in protective foil bags. More recently comfrey is considered to be unsuitable for ingestion due to the naturally occurring hepatotoxic pyrrolizidine alkaloids (PAs) and it is recommended for topical use only. Comfrey grows in damp, grassy places and can be found along banks of rivers and ditches. The flowers are mostly visited by bumblebees. It is native to Europe and it is known elsewhere, including North America, as an introduced species and sometimes a weed. Other English names include Quaker comfrey, cultivated comfrey, knitbone, consound, and slippery-root.
To differentiate it from other members of the genus Symphytum, this species is known as common comfrey or true comfrey. Symphytum officinale, commonly known as Comfrey, is a perennial herb from the Boraginaceae family. You can read more about this on our blog post ‘PAs in Medicinal Herbs.’ ** **We have taken the decision to suspend sales of this product until further research has been done into the potential harmful effects of the PAs found in the herb.
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