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.

The USDA zone info for Clarion can be used to figure out when you can plant stoneseed.

Planting Calendar for Stoneseed

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

You should not plant stoneseed until after all chance of frost has passed because they require warm weather.

The earliest that you can plant stoneseed in Clarion 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. If you wait any later than that and your stoneseed may not have a chance to fully mature. If you are starting your stoneseed indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clarion. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Clarion is an average and the actual date of last frost will vary from year to year. Half of the time in Clarion you get surprised by a frost after April 15 so make sure that you are ready to cover your stoneseed in the event of a surprise late frost.

USDA Zone Info for Clarion

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Clarion

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