One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Prescott Valley should be reviewed to determine when to plant portulaca.

Planting Calendar for Portulaca

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

Since portulaca do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant portulaca in Prescott Valley 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 grow to maturity. You can get started a little bit earlier by starting your portulaca indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Prescott Valley. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Prescott Valley is just an average the actual date of last frost will vary from year to year. Half of the time in Prescott Valley it frosts late in the year after April 15 so make sure that you are prepared to protect your portulaca if you have a late frost.

USDA Zone Info for Prescott Valley

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 Prescott Valley

You may be interested in your other planting guides for Prescott Valley.