Oklahoma Planting Zones & Schedule

Oklahoma’s USDA growing zones range from Zone 6 to Zone 8, depending on where you are in the state. While the southernmost parts of Oklahoma fall in Zone 8a, the rest of the state is divided among Zones 6 and 7. 

Parts of northern Oklahoma fall in Zones 6a and 6b while Zones 7a and 7b cover the central parts of the state. With its mild climate, Oklahoma is suitable for cool-weather crops as well as warm-season vegetables like beans, eggplant, and peppers.

 

Oklahoma Last & First Frost Dates

  • *Keep in mind that frost can occur before or after these dates. Watch your local weather to determine the best time to plant.

  • The growing season in Oklahoma lasts an average of over 200 days, with some areas as long as 234 days. Refer to the planting schedules below to determine the best timing for your zone.

Zone 6 Planting Schedule

Zone 7 Planting Schedule

Zone 8 Planting Schedule