Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when you can plant trailing portulaca is to look at the USDA zone info for Sullivan City.

Planting Calendar for Trailing Portulaca

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

Since trailing portulaca do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Sullivan City is March. However, you really should wait until April 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 September. If you wait any later than that and your trailing portulaca may not have a chance to really do well. If you are starting your trailing portulaca indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Sullivan City the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Sullivan City is not always accurate and the actual date of last frost is different every year. Since half of the time in Sullivan City it frosts late in the year after February 15 be ready to protect your trailing portulaca if you have a late frost.

USDA Zone Info for Sullivan City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Sullivan City

You may be interested in your other planting guides for Sullivan City.