The USDA Zone info is a great tool for gardeners to help us figure out 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 best time to plant missouri primrose in Minneapolis can be figured out by checking out the USDA zone info.

Planting Calendar for Missouri Primrose

Frost tolerance for missouri primrose:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Missouri Primrose are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant missouri primrose in Minneapolis 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 missouri primrose and expect a good harvest is probably August. You probably don't want to wait any later than that or else your missouri primrose may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your missouri primrose indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Minneapolis. In the coldest months of winter you should expect an average low temperature of -25°F.

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 Minneapolis and it can change quite a bit from year to year. Half of the time in Minneapolis it frosts late in the year after May 15 so just be sure to be ready to cover your missouri primrose if you have one of those late frosts.

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.