Tea tree is an Australian tree, the use of which has been traced to Aboriginal culture where it has been used for centuries. Today it is again a popular herb, the essential oil of which is used by many herbalists for a variety of applications.
This small tree naturally grows in Australia, specifically in the North East coastal region of New South Wales. Its strong aroma is similar to a pine or eucalyptus smell.
Growing
This plant cannot be grown in many areas since it requires a climate comparable to USDA zone 10. The plant is now cultivated in Australia, South America, Africa and India. Propagation is done by seeds or cuttings in summer. Sow seed in warm, moist, soil. Do not overwater as seedlings are prone to damping-off. It grows well in fertile, well-draining soil and in full sun. It is a tender perennial so protection from frost is important.
Harvesting
The leaves and branches are picked all year and distilled to produce the tea tree oil. Some larger producers harvest annually.
Uses
One of tea tree oil's most important uses is for the skin. It can be purchased as an essential oil. Its antiseptic, anitfungal and antibacterial properties help skin infections, burns, cold sores, and wounds. Many herbalists use it for athlete's foot, acne and boils. It can also be used in a gargle for sore throats, as a deodorant, for muscle aches, and for aromatherapy.
Safety
Tea tree oil usually presents no problems when applied externally, although a few people may react to the oil. It is wise with this or any skin product to test a small amount on the back of the wrist first. It should never be used on small children or during pregnancy.
Sources
The Altsonville Tree Farm in Australia supplies tea tree plants and possibly seeds, but unfortunately only caters to landscapers, the government and commercial nurseries. Not many online sources seem to exist. Seed swap, anyone??
Further Reading
At this link is a useful table listing many practical uses for tea tree oil.
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