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 flowering tobacco in Thief River Falls should be determined by reviewing the USDA zone info.

Planting Calendar for Flowering Tobacco

Frost tolerance for flowering tobacco:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Flowering Tobacco do not do well in cold weather which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant flowering tobacco 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 flowering tobacco and expect a good harvest is probably August. If you wait any later than that and your flowering tobacco may not have a chance to fully mature. You can get started a few weeks earlier by starting your flowering tobacco indoors.

Last Frost Date

The average date of last frost is May 15 in Thief River Falls. You can expect an average low temperature of -35°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Thief River Falls and it 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 prepared to protect your flowering tobacco in the event of one of those late frosts.

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.