One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant stoneseed is to use the USDA zone info for Bolingbrook.

Planting Calendar for Stoneseed

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

Since stoneseed do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

In Bolingbrook the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Bolingbrook may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Bolingbrook last frost occurs after April 15 so always be ready to cover your stoneseed if you have a late frost.

USDA Zone Info for Bolingbrook

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 Bolingbrook

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