Watch for fungal diseases such as botrytis, leaf spotting disease, and root rot, even if the plant ... in red, orange, pink, yellow, or white. They do not have a fragrance. Crown of thorns prefers ...

A grove of koa trees is pictured on Haleakala Ranch land. Since 2015, the ranch has been planting native koa trees in an effort to “shade out” gorse, an invasive thorny shrub that grows in ...