(Samantha Shanahan/KQED) In fact, that was the original purpose of what’s now the largest, densest stand of blue gum eucalyptus in the world, on campus at Berkeley, says McBride. Eucalyptus has a fresh, distinctive scent that many enjoy in an open fire. I did e-mail Michaels about this problem. Living in such a humid state (FL) may be a contributor but thought I'd warn others. Eucalyptus may sound wonderfully exotic to you, just like the outback, kangaroos and koalas of its native Australia. Eucalyptus depletes the the nutrients and moisture reserves of the soil and inhibits the undergrowth due to allelopathic properties. Eucalyptus (Eucalyptus globulus) is an evergreen tree native to Australia but cultivated worldwide. Eucalyptus leaves contain an essential oil called eucalyptol and, if consumed in small quantities by adult humans, are unlikely to be harmful. I wouldn't want anyone else to go through this misery! Koalas make their meals out of the fragrant and highly toxic eucalyptus leaves that grow in Australia. As this use spread, eucalyptus became known as Australian fever tea. However, the aroma of burning eucalyptus has also been described as "medicinal," which can alter the flavor of baked goods and other foods. Overview Information Eucalyptus is a tree. Although the trees may seem peacefully scenic and beautiful, they actually can be potentially very harmful to your feline friend. The dried leaves and oil are used to make medicine. Thankfully I no longer have to worry about bugs in the food, the very thought of … Why is eucalyptus harmful? Sometimes, gardeners will gather the eucalyptus leaves and use them as mulch. This is a reference to the flowers that have a cup-like covering that they shrug off when the bud blooms. Eucalyptus trees grow fast, sometimes putting on 4 to 6 feet in height in a single year. Eucalyptus is suppose to repel bugs! The name Eucalyptus is derived from the Greek "well covered." 1,8 cineole “ 1,8 cineole does not appear to be as toxic as is often believed, although elevated oral doses certainly are toxic and children are susceptible to cineole toxicity. If cut or damaged the tree exudes a great deal of sap that has many medicinal uses. For years, scientists have been stumped as to how they could ingest these poisonous plants, and feed their children, without falling the slightest bit ill. They’re threatened by other diseases, sure. Owing to these adverse effects, Eucalyptus is often referred as " Ecological Terrorist". As a result, eucalyptus is not a wood that most homeowners would choose for a wood-burning stove used for cooking. It was first used by the Aborigines in the dry outback—they chewed the roots, which hold a high concentration of water. Eucalyptus are known as the food of koalas and the major plant species in Australia. Simply put, cats and fresh eucalyptus are not the greatest match. However, this can cause chemicals to be released into the dirt and may be dangerous for plants that produce food. They also drank eucalyptus tea as a remedy for fever. The National Institutes of Health recognizes that eucalyptus oil and leaves can be safely used in a variety of medical treatments, including in vaporizer treatments to cure congestion. So let’s have a look at what Tisserand and Young actually say about Eucalyptus essential oils and 1,8 cineole.