The bark, leaves, and sap of eucalyptus are toxic ... to accommodate the tree’s full height and spread. (Multiple eucalyptus trees should be spaced at least 8 feet apart). Prefers warm temperatures.

The Rainbow Eucalyptus tree is a naturally colorful tree that comes from the Philippines. When its bark peels, a technicolor display begins to form. Follow Tech Insider: On Facebook More from ...

The longhorned borer beetle attacks eucalyptus in California. They create holes in the bark where liquid will ooze out.