Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Spirit Lake it's possible to estimate when to plant stoneseed.

Planting Calendar for Stoneseed

Frost tolerance for stoneseed:	Not tolerant of frost.
When to plant:	After the last frost.

Stoneseed are not cold tolerant which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant stoneseed in Spirit Lake 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 stoneseed and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stoneseed may not have a chance to grow to maturity. Starting your stoneseed indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Spirit Lake is just an average the actual date of last frost is different every year. Half of the time in Spirit Lake there is a last frost after April 15 so make sure that you are ready to protect your stoneseed in the event of a late frost.

USDA Zone Info for Spirit Lake

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 Spirit Lake

You may be interested in your other planting guides for Spirit Lake.