Eucalypus Winter Hardiness

My wife purchased some eucalyptus plants from you and would like to know if she can leave the plants outside for the winter, or should she bring them indoors. We live in N.W. Ohio, USA.

Eucalyptus are hardy in zones 9 to 10, while northern Ohio is zone 5. You will have to bring the plants in for the winter and overwinter them in a sunny window.