The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Edwardsville should be reviewed to determine when it's a good idea to plant stoneseed.

Planting Calendar for Stoneseed

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

You should not plant stoneseed until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant stoneseed in Edwardsville 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. You can get started a little bit earlier by starting your stoneseed indoors.

Last Frost Date

The average date of last frost is April 15 in Edwardsville. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Edwardsville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Edwardsville there is a last frost after April 15 be ready to protect your stoneseed if you have one of those late frosts.

USDA Zone Info for Edwardsville

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Edwardsville

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