Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 festuca in Thief River Falls can be figured out by reviewing the USDA zone info.

Planting Calendar for Festuca

Frost tolerance for festuca:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since festuca are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant festuca in Thief River Falls is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant festuca and expect a good harvest is probably August. If you wait any later than that and your festuca may not have a chance to really do well. You can get started a couple of weeks earlier by starting your festuca indoors.

Last Frost Date

In Thief River Falls the average date of last frost happens on May 15. You should expect an average low temperature of -35°F in the coldest months of winter.

Always keep in mind that USDA zone info for Thief River Falls is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Thief River Falls it frosts late in the year after May 15 so make sure that you are ready to cover your festuca if you have a surprise late frost.

USDA Zone Info for Thief River Falls

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Thief River Falls

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