One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 look at the USDA zone info for Highland Park.

Planting Calendar for Stoneseed

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

Since stoneseed are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant stoneseed in Highland Park 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 couple of weeks earlier by starting your stoneseed indoors.

Last Frost Date

On average the last frost is on April 15 in Highland Park. 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 Highland Park is just an average and the actual date of last frost changes from year to year. Since half of the time in Highland Park you get a frost after April 15 be ready to cover your stoneseed if you have a surprise late frost.

USDA Zone Info for Highland Park

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Highland Park

You may be interested in your other planting guides for Highland Park.