Wisconsin Planting Zones & Schedule

Wisconsin’s USDA growing zones range from Zone 3b to Zone 6a, depending on where you are in the state. Northwestern Wisconsin falls primarily in Zone 4 with small areas of Zone 3b at high elevation where you can grow cold-hardy crops like root vegetables, asparagus, and rhubarb.

The rest of the state falls in Zones 5a and 5b with a small area along Lake Michigan in Zone 6a. This moderate climate is suitable for cool-season crops like carrots, spinach, and kale.

 

Wisconsin 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 Wisconsin averages between 110 and 120 days, though southern areas may have up to 140 frost-free days. Refer to the planting schedules below to determine the best timing for your zone.

Zone 3 Planting Schedule

Zone 4 Planting Schedule

Zone 5 Planting Schedule

Zone 6 Planting Schedule