One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Havre can be reviewed to figure out when it's possible 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.

You can plant anise slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant anise in Havre 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 really do well. Starting your anise indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Havre. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Havre is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Havre it frosts late in the year after May 15 be ready to protect your anise if you have one of those late frosts.

USDA Zone Info for Havre

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 Havre

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