One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when to plant purslane is to refer to the USDA zone info for Negaunee.

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 barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant purslane in Negaunee 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. Any later than that and 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 Negaunee. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Negaunee is not always accurate the actual date of last frost changes from year to year. Half of the time in Negaunee you get a frost after April 15 so make sure that you are prepared to protect your purslane if you have a surprise late frost.

USDA Zone Info for Negaunee

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Negaunee

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