Gillenia stipulata, commonly known as Wester Indian Physic, is an ornamental herbaceous perennial in the Rosaceae family native to the Midwest and Eastern North America. Ethephon has been previously shown to affect plant growth, development and early flowering in apple seedlings. In the present study, interaction of ethephon and light quality on G. stipulata plant growth and development was examined. Plants were grown from seed purchased from Prairie Moon Nursery (Winona, MN) and when 4-5 leaves had been initiated, seedlings were treated with 0 (Control), 500 ppm, 1000 ppm, or 2000 ppm Florel (Monterey Lan