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

It's a good idea to determine when to plant portulaca by looking at the USDA zone info for Danville.

Planting Calendar for Portulaca

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

Portulaca are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant portulaca in Danville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant portulaca and expect a good harvest is probably September. You probably don't want to wait any later than that or else your portulaca may not have a chance to really do well. Starting your portulaca indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Danville the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Danville is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Danville you get a frost after February 15 be ready to protect your portulaca in the event of a surprise late frost.

USDA Zone Info for Danville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Danville

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