One of the best tools that you have as gardeners to help us figure out 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.

You can estimate when it's possible to plant dallas fern in Wahpeton by reviewing the USDA zone info.

Planting Calendar for Dallas Fern

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

You should not plant dallas fern until after the last frost because they do not do well in cold weather.

The earliest that you can plant dallas fern 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 dallas fern and expect a good harvest is probably August. Any later than that and your dallas fern may not have a chance to really do well. Starting your dallas fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Wahpeton. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Wahpeton is just an average the actual date of last frost changes from year to year. Half of the time in Wahpeton there is a last frost after May 15 so make sure that you are ready to cover your dallas fern if you have 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.