Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's a good idea to plant missouri primrose is to check out the USDA zone info for Springfield.

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 do well in moderate cold which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant missouri primrose in Springfield is January. However, you really should wait until February 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 October. If you wait any later than that and your missouri primrose may not have a chance to really do well. You can get started a few weeks earlier by starting your missouri primrose indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Springfield. You should expect an average low temperature of 20°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Springfield and it will vary from year to year. Half of the time in Springfield it frosts late in the year after February 15 so be sure to be ready to cover your missouri primrose in the event of one of those late frosts.

USDA Zone Info for Springfield

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Springfield

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