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 USDA zone info for Jerseyville should be used to determine when to plant trailing portulaca.

Planting Calendar for Trailing Portulaca

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

It's a bad idea to plant trailing portulaca until after the last frost because they require warm weather.

The earliest that you can plant trailing portulaca in Jerseyville 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 trailing portulaca and expect a good harvest is probably August. Any later than that and your trailing portulaca may not have a chance to really do well. You can get started a couple of weeks earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Jerseyville. You can expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Jerseyville is an average and the actual date of last frost is different every year. Since half of the time in Jerseyville there is a last frost after April 15 be ready to cover your trailing portulaca in the event of a surprise late frost.

USDA Zone Info for Jerseyville

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 Jerseyville

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