One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Minneapolis you will be able to estimate when to plant purslane.

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.

Purslane are barely cold tolerant which tells us that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant purslane in Minneapolis 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 purslane and expect a good harvest is probably August. Any later than that and your purslane may not have a chance to fully mature. If you are starting your purslane indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Minneapolis the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Minneapolis and it can change quite a bit from year to year. Half of the time in Minneapolis there is a last frost after May 15 so make sure that you are prepared to protect your purslane in the event of a surprise late frost.

USDA Zone Info for Minneapolis

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Minneapolis

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