One of the best tools that you have as gardeners to help us estimate 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.

One way of making a decision about when it's possible to plant portulaca is to use the USDA zone info for Biloxi.

Planting Calendar for Portulaca

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

It's not a good idea to plant portulaca until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant portulaca in Biloxi 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 portulaca and expect a good harvest is probably September. You probably don't want to wait any later than that or else your portulaca may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your portulaca indoors.

Last Frost Date

On average the last frost is on February 15 in Biloxi. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for Biloxi is not always accurate and the actual date of last frost changes from year to year. Half of the time in Biloxi it frosts late in the year after February 15 so always be ready to cover your portulaca if you have one of those late frosts.

USDA Zone Info for Biloxi

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Biloxi

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