Before planting it is a good idea to find your USDA Zone info to determine your garden 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 estimating when you can plant purslane is to check out the USDA zone info for Pontiac.

Planting Calendar for Purslane

Frost tolerance for purslane:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since purslane are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant purslane in Pontiac is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant purslane and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purslane may not have a chance to fully mature. Starting your purslane 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 Pontiac. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Pontiac may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Pontiac you get surprised by a frost after April 15 be ready to cover your purslane if you have one of those late frosts.

USDA Zone Info for Pontiac

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 Pontiac

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