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

The first chance to plant stoneseed in Duluth can be estimated by checking out the USDA zone info.

Planting Calendar for Stoneseed

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

Since stoneseed do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant stoneseed in Duluth 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 really do well. You can get started a few weeks earlier by starting your stoneseed indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Duluth. In the coldest months of winter you can expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Duluth is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Duluth it frosts late in the year after April 15 so make sure that you are prepared to cover your stoneseed if you have a late frost.

USDA Zone Info for Duluth

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Duluth

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