One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 first opportunity to plant portulaca in Dardanelle can be figured out by using the USDA zone info.

Planting Calendar for Portulaca

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

You can not plant portulaca until after the last frost because they do not do well in cold weather.

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

Last Frost Date

On average the last frost is on April 15 in Dardanelle. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Dardanelle is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Dardanelle it frosts late in the year after April 15 so just be sure to be ready to protect your portulaca if you have a late frost.

USDA Zone Info for Dardanelle

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 Dardanelle

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