The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant anise in Owatonna should be determined by checking out the USDA zone info.

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 are barely cold tolerant which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant anise in Owatonna 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. If you wait any later than that and your anise may not have a chance to fully mature. If you are starting your anise indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Owatonna. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Owatonna is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Owatonna there is a last frost after May 15 so be sure to be ready to protect your anise if you have a surprise late frost.

USDA Zone Info for Owatonna

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Owatonna

You may be interested in your other planting guides for Owatonna.