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.

It's a good idea to figure out when it's a good idea to plant portulaca by reviewing the USDA zone info for Marietta.

Planting Calendar for Portulaca

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

Since portulaca require warm weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant portulaca in Marietta 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. 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

The average date of last frost is April 15 in Marietta. You can expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that USDA zone info for Marietta is an average and the actual date of last frost is different every year. Half of the time in Marietta last frost occurs after April 15 so make sure that you are prepared to protect your portulaca in the event of a late frost.

USDA Zone Info for Marietta

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 Marietta

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