One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Wapakoneta you can figure out when to plant missouri primrose by reviewing 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 means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant missouri primrose in Wapakoneta is February. However, you really should wait until March 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 September. If you wait any later than that and your missouri primrose may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your missouri primrose indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Wapakoneta. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Wapakoneta is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Wapakoneta last frost occurs after April 15 be ready to protect your missouri primrose in the event of one of those late frosts.

USDA Zone Info for Wapakoneta

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Wapakoneta

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