
First the good news about the honeysuckle from Japan – it’s a valued herb, as described at the Alternative Nature Online Herbal
Japanese Honeysuckle - Lonicera japonica
Other Names: Chin Yin Hua, Chin Yin T'Eng, Honeysuckle, Japanese Honeysuckle, Jen Tung, Jen Tung Chiu, Jen Tung Kao, Sui-Kazura, Yin Hua, Hall's Honeysuckle, White honeysuckle, Chinese honeysuckle, Halliana
Habitat:
Perennial herb Native to E. Asia - China, Japan, Korea, now naturalized in Britain and the US from southern New York and New Jersey south to southern Florida and west to southwestern Texas. Inland it is distributed from Pennsylvania and West Virginia west to Missouri, Kansas, and Oklahoma. Widespread in the eastern and southern United States. Japanese honeysuckle is an important white-tailed deer food and is often invasive.
Cultivation:
Prefers partial shade to full sun and moist soil. Prune back hard in winter to prevent the build-up of woody growth, provide a trellis.
Type of Plant:
Climbing Vine, Shrub, it has a dense root system that may extend laterally for a distance of 7 to 10 feet, and attain depths of 3 to 4 feet. The simple, opposite, pinnate leaves are oval to oblong in shape and are semi-evergreen and may persist on vines year-round, up to 3 inches in length. The extremely fragrant, two-lipped flowers are borne in pairs in the axils of young branches and are produced throughout the summer. Flowers range from 1 to 2 inches in length and are white with a slight purple or pink tinge when young, changing to white or yellow with age, they are edible. The fruit is a black, berrylike drupe with three to five one-seeded stones.
Properties:
Japanese honeysuckle is edible and medicinal. High in Calcium, Magnesium, and Potassium, the leaves can be parboiled and eaten as a vegetable. The edible buds and flowers, made into a syrup or puddings. The entire plant has been used as an alternative medicine for thousands of years in Asia.
The active constituents include calcium, elaidic-acid, hcn, inositol, linoleic-acid, lonicerin, luteolin, magnesium, myristic-acid, potassium, tannin, and zink. It is alterative, antibacterial, antiinflammatory, antispasmodic, depurative, diuretic, febrifuge, and is also used to reduce blood pressure.
The stems are used internally in the treatment of acute rheumatoid arthritis, mumps and hepatitis. The stems are harvested in the autumn and winter, and are dried for later herb use. The stems and flowers are used together a medicinal infusion in the treatment of upper respiratory tract infections (including pneumonia) and dysentery. An infusion of the flower buds is used in the treatment of a wide range of ailments including syphillitic skin diseases and tumors, bacterial dysentery, colds, and enteritis.
Experimentally, the flower extracts have been shown to lower blood cholesterol levels and are antibacterial, antiviral and tuberculostatic. Externally, the flowers are applied as a medicinal wash to skin inflammations, infectious rashes and sores. The flowers are harvested in early morning before they open and are dried for later herb use. This plant has become a serious weed in many areas of N. America, it might have the potential to be utilized for proven medicinal purposes.
Herbal & Medicinal Uses
“Honeysuckle is an herb used primarily in Traditional Chinese Medicine. It is found in many cleansing and detoxifying blends because of its ability to clear heat, wind and toxins from the blood and liver. It is commonly used for sore throat, fever, skin blemishes and rashes. Honeysuckle combines well with chrysanthemum flowers.
The flower is of high medicinal value. It has antibacterial and anti-inflammatory properties, and is used to dispel heat and remove toxins, including carbuncles, fevers, influenza and ulcers. It is, however, of cold and yin nature, and should not be taken by anyone with weak and "cold" digestive system.
Honeysuckle contains tannins which are being studied for it's possible inhibitory effects on HIV. Fifty seven compounds have been identified in the essential oil of the flowers.
Topically, honeysuckle may be used effectively for fever and skin ailments and rashes. Many skin conditions caused by inflammation or internal heat will benefit from the heat and toxin removing actions of the herb.
Warnings: Leaves contain toxic saponins. Plant Poisonings In Children (most likely applies to the leaves)
Other uses include:
Ground cover, Insecticide, Basketry, vines used to make baskets. The white-flowers of cultivar 'Halliana' has a pronounced lemon-like perfume.
Sources: Deb Jackson & Karen Bergeron, Healthy Herbs, and Wikipedia
Now for the not so good and bad news about honeysuckle:
The Japanese Honeysuckle (Lonicera japonica) is a species of honeysuckle native to eastern Asia including Japan, Korea and northern China. It is a twining vine able to climb up to 10 m high or more in trees, with opposite, simple oval leaves 3-8 cm long, and sweetly scented double tongued flowers. The fruit is a globose dark blue berry 5-8 mm diameter containing numerous seeds.
Japanese Honeysuckle is considered an invasive exotic weed in the United States, and is classified as a noxious weed by the state of Illinois and New Zealand. It has done severe damage to eastern American woodlands, often forming vast clonal colonies on forest floors that displace virtually all native ground plants, and climbing into trees and shrubs and severely weakening and even killing them by cutting off sap flow and shading their leaves.
Nonetheless, this species is still sold by American nurseries, often as the cultivar 'Hall's Prolific'. It is an effective groundcover, and does have pleasant, strong-smelling flowers, but the damage it does far outweighs any positive qualities. The only invasive exotics that compete with this plant for total damage done in the eastern United States are Kudzu and Multiflora rose.
Honeysuckle can be controlled by cutting, flaming, or burning the plant to root level and repeating on two week increments until nutrient reserves in the roots are depleted. Honeysuckle can also be controlled through annual applications of glyphosate, or through grubbing if high labor and soil destruction are not of concern.”
Source: Wikipedia