Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Safety Harbor you can determine when to plant portulaca by reviewing the USDA zone info.

Planting Calendar for Portulaca

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

You really shouldn't plant portulaca until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant portulaca in Safety Harbor is February. However, you really should wait until March 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. If you wait any later than that and your portulaca may not have a chance to really do well. You can get started a little bit earlier by starting your portulaca indoors.

Last Frost Date

The average date of last frost is January 31 in Safety Harbor. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Safety Harbor may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Safety Harbor you get surprised by a frost after January 31 be ready to protect your portulaca in the event of one of those late frosts.

USDA Zone Info for Safety Harbor

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Safety Harbor

You may be interested in your other planting guides for Safety Harbor.