The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 determine when it's the best time to plant stevia by checking out the USDA zone info for Fergus Falls.

Planting Calendar for Stevia

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

Stevia require warm weather which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant stevia in Fergus Falls 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 stevia and expect a good harvest is probably August. If you wait any later than that and your stevia may not have a chance to really do well. Starting your stevia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Fergus Falls the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

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 Fergus Falls and it will vary from year to year. Half of the time in Fergus Falls there is a last frost after May 15 so make sure that you are ready to cover your stevia in the event of a surprise late frost.

USDA Zone Info for Fergus Falls

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 Fergus Falls

You may be interested in your other planting guides for Fergus Falls.