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

By using the USDA zone info for Spearfish you should be able to figure out when it's the best time 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 some cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant anise in Spearfish is March. However, you really should wait until April 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Spearfish. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Spearfish and it can change quite a bit from year to year. Since half of the time in Spearfish there is a last frost after April 15 be ready to protect your anise in the event of a surprise late frost.

USDA Zone Info for Spearfish

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Spearfish

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