Latin name: Achillea millefolium
Synonyms: Achillea lanulosa
Medicinal use of Yarrow:Yarrow has a high reputation and is widely employed in herbal medicine, administered both internally and externally. It is used in the treatment of a very wide range of disorders but is particularly valuable for treating wounds, stopping the flow of blood, treating colds, fevers, kidney diseases, menstrual pain etc. The whole plant is used, both fresh and dried, and is best harvested when in flower. Some caution should be exercised in the use of this herb since large or frequent doses taken over a long period may be potentially harmful, causing allergic rashes and making the skin more sensitive to sunlight. The herb combines well with Sambucus nigra flowers (Elder) and Mentha x piperita vulgaris (Peppermint) for treating colds and influenza. The herb is antiseptic, antispasmodic, mildly aromatic, astringent, carminative, cholagogue, diaphoretic, digestive, emmenagogue, odontalgic, stimulant, bitter tonic, vasodilator and vulnerary. It also contains the anti-inflammatory agent azulene, though the content of this varies even between plants in the same habitat. The herb is harvested in the summer when in flower and can be dried for later use. The fresh leaf can be applied direct to an aching tooth in order to relieve the pain.
Description of the plant:
Habitat of the herb:Meadows, pastures, lawns etc. on all but the poorest soils.
Edible parts of Yarrow:Leaves - raw or cooked. A rather bitter flavour, they make an acceptable addition to mixed salads and are best used when young. The leaves are also used as a hop-substitute for flavouring and as a preservative for beer etc. Although in general yarrow is a very nutritious and beneficial plant to add to the diet, some caution should be exercised. See the notes above on possible toxicity. An aromatic tea is made from the flowers and leaves. An essential oil from the flowering heads is used as a flavouring for soft drinks.
Other uses of the herb:The growing plant repels beetles, ants and flies. The plant has been burnt in order to ward off mosquitoes. A liquid plant feed can be made from the leaves. You fill a container with the leaves and then add some water. Leave it to soak for a week or two and then dilute the rather smelly dark liquid, perhaps 10 - 1 with water though this figure is not crucial. This plant is an essential ingredient of "Quick Return" herbal compost activator. This is a dried and powdered mixture of several herbs that can be added to a compost heap in order to speed up bacterial activity and thus shorten the time needed to make the compost. The fragrant seeds have been used to impart a pleasant smell indoors. An essential oil obtained from the leaves is used medicinally. The leaves contain from 0.6 to 0.85% essential oil. The leaves have been used as a cosmetic cleanser for greasy skin. Yellow and green dyes are obtained from the flowers. A good ground cover plant, spreading quickly by its roots.
Propagation of Yarrow:Seed - sow spring or early autumn in a cold frame. The seed usually germinates in 1 - 3 months. When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring or autumn. Very easy, the divisions can be planted direct into their permanent positions. Divisions succeed at any time of the year. Basal cuttings of new shoots in spring. Very easy, collect the shoots when they are about 10cm tall, potting them up individually in pots and keeping them in a warm but lightly shaded position. They should root within 3 weeks and will be ready to plant out in the summer.
Cultivation of the herb:Meadows, pastures, lawns etc. on all but the poorest soils.
Known hazards of Achillea millefolium:Extended use of this plant, either medicinally or in the diet, can cause allergic skin rashes or lead to photosensitivity in some people.
Plant information taken from the Plants For A Future.