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 first opportunity to plant flowering tobacco in International Falls should be figured out by reviewing the USDA zone info.

Planting Calendar for Flowering Tobacco

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

You can not plant flowering tobacco until after the last frost because they require warm weather.

The earliest that you can plant flowering tobacco in International 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. Any later than that and your flowering tobacco may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your flowering tobacco indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in International Falls. It might get as low as -40°F during the coldest months of winter.

Since the USDA zone info for International Falls is an average the actual date of last frost is different every year. Half of the time in International Falls it frosts late in the year after May 15 so always be ready to protect your flowering tobacco if you have a surprise late frost.

USDA Zone Info for International Falls

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-40°F
Highest Expected Low	-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in International Falls

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