One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 earliest that you can plant trailing portulaca in Kennett Square should be estimated by looking at 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 do not do well in cold weather which tells us that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant trailing portulaca in Kennett Square 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. If you are starting your trailing portulaca indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Kennett Square. In the coldest months of winter you should expect an average low temperature of 0°F.

Remember that USDA zone info for Kennett Square may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Kennett Square last frost occurs after April 15 so make sure that you are prepared to protect your trailing portulaca in the event of a late frost.

USDA Zone Info for Kennett Square

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 Kennett Square

You may be interested in your other planting guides for Kennett Square.