One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant cleome in New Ulm can be determined by reviewing the USDA zone info.

Planting Calendar for Cleome

Frost tolerance for cleome:	Not tolerant of frost.
When to plant:	After the last frost.

Since cleome require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant cleome 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 cleome and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cleome may not have a chance to really do well. Starting your cleome indoors is a great way to get them started a couple of 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.

Always keep in mind that USDA zone info for New Ulm is not always accurate and the actual date of last frost changes from year to year. Since half of the time in New Ulm there is a last frost after May 15 be ready to cover your cleome if you have a surprise late frost.

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.