One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant portulaca is to examine the USDA zone info for Winslow.

Planting Calendar for Portulaca

Frost tolerance for portulaca:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant portulaca until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant portulaca in Winslow 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 really do well. You can get started a few weeks earlier by starting your portulaca indoors.

Last Frost Date

In Winslow the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Winslow and it will vary from year to year. Since half of the time in Winslow it frosts late in the year after April 15 be ready to cover your portulaca in the event of a surprise late frost.

USDA Zone Info for Winslow

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Winslow

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