Hawaii: Maui - Grove of rainbow eucalyptus trees along the Hana Highway and Ke'anae Arboretum. Kauai - Along the Princeville walking path, Wahiawa Botanical Garden.

This amazing tree can also be found in Hawaii (the state’s first eucalyptus deglupta tree was planted at Wahiawa Botanical Gardens on O’ahu in 1929, according to Tour Maui) and in the southern ...