When can I plant Portulaca in Zone 7b

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

You should be able to figure out when it's the best time to plant portulaca by reviewing the USDA zone info for Zone 7b.


Planting Calendar for Portulaca

Frost tolerance for portulaca: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

Portulaca do not do well in cold weather which means that it's important to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant portulaca
Possibly ok, but a risky time to plant portulaca
Probably not a good time to plant portulaca

The earliest that you can plant portulaca in Zone 7b 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. If you wait any later than that and your portulaca may not have a chance to fully mature. If you are starting your portulaca indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Zone 7b. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Zone 7b is just an average our actual date of last frost will vary from year to year. Half of the time in Zone 7b we get surprised by a frost after April 15 so always be ready to protect your portulaca if we have one of those late frosts.

USDA Zone Info for Zone 7b

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 Low5°F
Highest Expected Low10°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 Zone 7b

You may be interested in our other planting guides for Zone 7b.