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

You should be able to estimate when it's a good idea to plant indian cress by looking at the USDA zone info for Wahpeton.

Planting Calendar for Indian cress

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

Since indian cress require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant indian cress 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 indian cress and expect a good harvest is probably August. Any later than that and your indian cress may not have a chance to grow to maturity. Starting your indian cress indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Wahpeton. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Wahpeton and it is different every year. Half of the time in Wahpeton last frost occurs after May 15 so just be sure to be ready to cover your indian cress in the event of one of those late frosts.

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.