One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant trailing portulaca is to refer to the USDA zone info for Springhill.

Planting Calendar for Trailing Portulaca

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

You can not plant trailing portulaca until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant trailing portulaca in Springhill 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. If you wait any later than that and your trailing portulaca may not have a chance to grow to maturity. 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 Springhill the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that USDA zone info for Springhill is not always accurate and the actual date of last frost changes from year to year. Half of the time in Springhill you get surprised by a frost after March 15 so make sure that you are ready to cover your trailing portulaca in the event of a late frost.

USDA Zone Info for Springhill

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Springhill

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