Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for New Ulm can be used to figure out when you can plant pumpkins.

Planting Calendar for Pumpkins

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

Pumpkins are not cold tolerant which means that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant pumpkins in New Ulm 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 pumpkins and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pumpkins may not have a chance to really do well. Starting your pumpkins 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 New Ulm. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for New Ulm is not always accurate the actual date of last frost is different every year. Since half of the time in New Ulm you get surprised by a frost after May 15 be ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for New Ulm

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 New Ulm

You may be interested in your other planting guides for New Ulm.