I've got a farm in the northwest part of Oklahoma. I would like to start an evergreen windbreak around the machine shed and yard area. I'm thinking some kind of pine as I think the needled evergreens have a more formal look. The area is in the wide open plains, surrounded by wheat fields, sandy loam soil, about 30 inches of rain per year although prone to drought from time to time, windy, cold winters, hot summers. In the past Austrian or scotch pine would be the easy choice. With pwn, those are out. What are my best options? I thought of eastern white pine but I don't know how it will handle the exposure and drought. Ponderosa pine is a possibility I guess, loblolly doesn't branch to the ground well, the one I'm wondering about is southwestern white pine. I've never seen one and don't know how it would perform. What do you guys think?