Before planting it is a good idea to find your USDA Zone info to figure out 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 USDA zone info for Thief River Falls should be used to determine when it's the best time to plant axilflower.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Axilflower require warm weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant axilflower in Thief River 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 axilflower and expect a good harvest is probably August. Any later than that and your axilflower may not have a chance to grow to maturity. Starting your axilflower indoors is a great way to get them started a couple of weeks earlier.

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.

It's important to remember that USDA zone info for Thief River Falls is an average and the actual date of last frost is different every year. Since half of the time in Thief River Falls it frosts late in the year after May 15 be ready to protect your axilflower if you have a 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.