Janis Haraguchi, an Institute of Pacific Islands Forestry biologist, measures the diameter of an Acacia koa tree. Haraguchi and other US Forest Service scientists found the stem diameter of koa ...

In recent years, however, the ranch has tried planting acacia koa. “We’re just trying to shade it out by planting native koa trees over gorse to try to shade it out and reduce its competitive ...

Read more: 15 Facts About Love It Or List It's Hilary And David Although imitated, Acacia Koa wood isn't easily duplicated. This rare species grows only in Hawaii, and its rich history is tied to ...