Almost any type of plant can grow in the state of Hawaii , thanks to the climate and geography of those ‘Paradise Islands’. Dozens of species have been introduced to the Hawaiian Islands since the first humans settled them around 700 A.D.  Many of those species have adapted to the wild. Some of those ‘newcomers’ are considered invasive and now threaten native species. Efforts are being made by various organizations to preserve Hawaiian native plants.   Some of the gardens visited (photos below) have sections on native plants. Flowers that we assume as being native to Hawaii, such as the fragrant plumeria used for leis , actually come from other regions of the world Here are some websites on the Hawaiian flora: Below are the gardens and other places visited. Click on them to see their photos. Along roads, i