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When to Plant Trailing Portulaca in Cottage Grove, MN

The USDA Zone info is a great tool for gardeners to help us estimate 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.

The first opportunity to plant trailing portulaca in Cottage Grove can be figured out by referring to the USDA zone info.


Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since trailing portulaca do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant trailing portulaca
Possibly ok, but a risky time to plant trailing portulaca
Probably not a good time to plant trailing portulaca

The earliest that you can plant trailing portulaca in Cottage Grove 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. You probably don't want to wait any later than that or else your trailing portulaca may not have a chance to really do well. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

The average date of last frost is May 15 in Cottage Grove. It might get as low as -25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Cottage Grove and it changes from year to year. Half of the time in Cottage Grove it frosts late in the year after May 15 so be sure to be ready to protect your trailing portulaca if you have a late frost.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.