This is located in Soi Kamol Watthana on Udon Thani-Nong Samrong route (Highway No. 204). The garden produces and sells a new species of Thai scented orchid called Udon Sunshine. It is the only known vanda hybrid which is fragrant between the early morning hours and about 2 p.m., and it is the first orchid in the world to be made into a perfume. Please call 0 4224 2475 for more information.