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

In Moline you can figure out when it's the best time to plant trailing portulaca by using the USDA zone info.

Planting Calendar for Trailing Portulaca

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

Trailing Portulaca require warm weather which means that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Moline 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 trailing portulaca and expect a good harvest is probably August. Any later than that and your trailing portulaca may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your trailing portulaca indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Moline. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Moline may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Moline last frost occurs after April 15 be ready to protect your trailing portulaca if you have a late frost.

USDA Zone Info for Moline

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Moline

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