OKLAHOMA PROVEN TREES
Each spring, Oklahoma Proven’s executive committee announces four new tree selections. Test sites across the state judge the trees based on insect and disease resistance and ability to survive Oklahoma’s climatic conditions with minimal input.
To view the latest selections, please click here.
Recommended by: Oklahoma State University (OSU) Department of Horticulture & Landscape Architecture, OSU Botanical Garden, Oklahoma Botanical Garden & Arboretum, and Oklahoma Green Industry Cooperators.