The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant portulaca in Florence can be figured out by referring to the USDA zone info.

Planting Calendar for Portulaca

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

Portulaca are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant portulaca in Florence 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 portulaca and expect a good harvest is probably August. Any later than that and your portulaca may not have a chance to fully mature. You can get started a few weeks earlier by starting your portulaca indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Florence. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Florence is just an average the actual date of last frost is different every year. Since half of the time in Florence you get surprised by a frost after March 15 be ready to protect your portulaca if you have a late frost.

USDA Zone Info for Florence

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 Florence

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