Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant portulaca by looking at the USDA zone info for Manville.

Planting Calendar for Portulaca

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

You really shouldn't plant portulaca until after the last frost because they do not do well in cold weather.

The earliest that you can plant portulaca in Manville 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 really do well. Starting your portulaca indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Manville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Manville is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Manville it frosts late in the year after April 15 be ready to protect your portulaca if you have one of those late frosts.

USDA Zone Info for Manville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Manville

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