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.

The first chance to plant watermelon in Fargo can be determined by using the USDA zone info.

Planting Calendar for Watermelon

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

You can not plant watermelon until after the last frost when the weather gets warmer because they require warm weather.

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

Last Frost Date

In Fargo the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

Remember that USDA zone info for Fargo is an average and the actual date of last frost changes from year to year. Half of the time in Fargo you get surprised by a frost after May 15 so always be ready to cover your watermelon if you have one of those late frosts.

USDA Zone Info for Fargo

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 Fargo

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