The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Wahpeton it's a good idea to figure out when it's a good idea to plant nemesia.

Planting Calendar for Nemesia

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

Nemesia are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant nemesia in Wahpeton 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 nemesia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nemesia may not have a chance to really do well. Starting your nemesia 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 Wahpeton. In the coldest months of winter you should expect an average low temperature of -30°F.

Just be sure to remember that USDA zone info for Wahpeton is just an average and the actual date of last frost will vary from year to year. Since half of the time in Wahpeton last frost occurs after May 15 be ready to protect your nemesia if you have a surprise late frost.

USDA Zone Info for Wahpeton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Wahpeton

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