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

A common way of getting a good idea when to plant portulaca is to consult the USDA zone info for Binghamton.

Planting Calendar for Portulaca

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

Since portulaca require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant portulaca in Binghamton 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 portulaca and expect a good harvest is probably August. You probably don't want to wait any later than that or else your portulaca may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your portulaca indoors.

Last Frost Date

In Binghamton the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Binghamton may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Binghamton there is a last frost after April 15 so make sure that you are prepared to protect your portulaca in the event of a surprise late frost.

USDA Zone Info for Binghamton

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 Binghamton

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