The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when to plant trailing portulaca is to check out the USDA zone info for Iowa Park.

Planting Calendar for Trailing Portulaca

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

Trailing Portulaca require warm weather which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Iowa Park 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. Any later than that and your trailing portulaca may not have a chance to fully mature. Starting your trailing portulaca indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Iowa Park. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Iowa Park is just an average the actual date of last frost changes from year to year. Half of the time in Iowa Park last frost occurs after April 15 so be sure to be ready to cover your trailing portulaca in the event of a surprise late frost.

USDA Zone Info for Iowa Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Iowa Park

You may be interested in your other planting guides for Iowa Park.