The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when it's possible to plant trailing portulaca is to examine the USDA zone info for Bemidji.

Planting Calendar for Trailing Portulaca

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

Since trailing portulaca require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant trailing portulaca in Bemidji is May. However, you really should wait until June 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. Any later than that and your trailing portulaca may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Bemidji. In the coldest months of winter you can expect an average low temperature of -35°F.

Since the USDA zone info for Bemidji is just an average the actual date of last frost changes from year to year. Since half of the time in Bemidji you get surprised by a frost after May 15 be ready to protect your trailing portulaca if you have a surprise late frost.

USDA Zone Info for Bemidji

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Bemidji

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