The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Rothschild you can figure out when to plant tomatos by looking at the USDA zone info.

Planting Calendar for Tomatos

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

Since tomatos do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tomatos in Rothschild is May. However, you really should wait until June 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. If you wait any later than that and your tomatos may not have a chance to grow to maturity. Starting your tomatos indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Rothschild. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Rothschild is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Rothschild you get a frost after May 15 so make sure that you are ready to protect your tomatos if you have one of those late frosts.

USDA Zone Info for Rothschild

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Rothschild

You may be interested in your other planting guides for Rothschild.