Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . The Greek Goddess Iris was represented by the rainbow which makes her name perfect for the iris flower which comes in a myriad of colors. Across the world there are two hundred eighty species of irises in North America we have twenty eight native irises. Many of them occur naturally or will grow perfectly happily here in South Carolina. The US Department of Agriculture’s Forest Service has a great fact sheet – Our