Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant trailing portulaca in Norwalk should be determined 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 has passed.

Trailing Portulaca require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Norwalk 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 really do well. Starting your trailing portulaca indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Norwalk. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Norwalk is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Norwalk there is a last frost after April 15 so make sure that you are ready to cover your trailing portulaca if you have a surprise late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Norwalk

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