One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Thief River Falls it's a good idea to estimate when to plant anise.

Planting Calendar for Anise

Frost tolerance for anise:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Anise do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

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

The last month that you can plant anise and expect a good harvest is probably August. You probably don't want to wait any later than that or else your anise may not have a chance to really do well. You can get started a little bit earlier by starting your anise indoors.

Last Frost Date

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

Remember 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 Thief River Falls and it is different every year. Half of the time in Thief River Falls there is a last frost after May 15 so make sure that you are ready to protect your anise 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.