Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant tomatos in De Pere should be figured out by reviewing the USDA zone info.

Planting Calendar for Tomatos

Frost tolerance for tomatos:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant tomatos until after all chance of frost has passed because they require warm weather.

The earliest that you can plant tomatos in De Pere is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tomatos and expect a good harvest is probably August. Any later than that and your tomatos may not have a chance to grow to maturity. You can get started a little bit earlier by starting your tomatos indoors.

Last Frost Date

The average date of last frost is April 15 in De Pere. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for De Pere is an average the actual date of last frost changes from year to year. Half of the time in De Pere there is a last frost after April 15 so make sure that you are ready to protect your tomatos if you have a late frost.

USDA Zone Info for De Pere

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in De Pere

You may be interested in your other planting guides for De Pere.