(Plant Hardiness Zones show how well plants withstand cold winter temperatures. The plant is heat tolerant in zones 9 through 1. Subject to attacks by the rust fungus, this can be alleviated by giving the plants a high potash feed, wood ashes are often used. A number of named forms have been selected for their higher production of leaves. The root system is very deep, fragments of root left in the soil can produce new plants. officinale), it does not set viable seed and so is not aggressive. Best grown in an open sunny site in a deep rich soil if it is being grown for compost material. Tolerates most soils and situations but prefers a moist soil and some shade. This has a very limited range of application, but is of great benefit in the treatment of broken bones and eye injuries. A homeopathic remedy is made from the fresh root, harvested before the plant flowers. The leaves are harvested in early summer before the plant flowers, the roots are harvested in the autumn. External applications and internally taken teas or tinctures of the leaves are considered to be completely safe, but internal applications of tablets or capsules are felt to have too many drawbacks for safe usage. Some caution is advised, however, especially in the internal use of the herb. The root and leaves are anodyne, astringent (mild), demulcent, emollient, expectorant, haemostatic, refrigerant, vulnerary. This substance is now synthesized in the pharmaceutical industry and used in healing creams. The plant contains a substance called 'allantoin', a cell proliferant that speeds up the healing process.
Comfrey is especially useful in the external treatment of cuts, bruises, sprains, sores, eczema, varicose veins, broken bones etc, internally it is used in the treatment of a wide range of pulmonary complaints, internal bleeding etc. The root and the leaves are used, the root being more active, and they can be taken internally or used externally as a poultice. Anodyne Astringent Demulcent Eczema Emollient Expectorant Haemostatic Refrigerant Vulnerary Comfrey is a commonly used herbal medicine with a long and proven history in the treatment of various complaints.
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Always seek advice from a professional before using a plant medicinally. Plants For A Future can not take any responsibility for any adverse effects from the use of plants.
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