Hi: I live in South Carolina and Tiger Lilies do grow wild in North and South Carolina. They grow native in the upstate of South Carolina and also along roadside in the foothills and mountains of North Carolina. Around the Charlotte area there are highways with Tiger Lilies in full bloom in the summer. Dianthus is an early bloomer. I will link you to the gallery of plant section of my website. There is a page on annual and perennial flowers. There are also many flowering shrubs that would work well in North Carolina. Azaleas Indian Hawthorn Loropetalum or Chinese Pizazz Viburnums These are just a few. I will link you to the site map, as this page has everything that is on the website. Browse through and see if you can find any other articles, tips or techniques that may be useful to you. Good luck to you and have a great day!