One of the best tools that you have as gardeners to help us estimate 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.

A common way of getting a good idea when to plant anise is to look at the USDA zone info for Isanti.

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.

You can plant anise slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant anise in Isanti 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. Any later than that and your anise may not have a chance to grow to maturity. 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 Isanti. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Isanti may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Isanti there is a last frost after May 15 so make sure that you are prepared to cover your anise in the event of a late frost.

USDA Zone Info for Isanti

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Isanti

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