The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Mount Kisco you can determine 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 has passed.

Since trailing portulaca are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Mount Kisco 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. If you wait any later than that and your trailing portulaca may not have a chance to fully mature. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Mount Kisco. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Mount Kisco is just an average the actual date of last frost will vary from year to year. Half of the time in Mount Kisco last frost occurs after April 15 so always be ready to protect your trailing portulaca if you have a late frost.

USDA Zone Info for Mount Kisco

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Mount Kisco

You may be interested in your other planting guides for Mount Kisco.