One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Atlantic can be reviewed to estimate when you can plant missouri primrose.

Planting Calendar for Missouri Primrose

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

You can plant missouri primrose just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant missouri primrose in Atlantic 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 fully mature. If you are starting your missouri primrose indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Atlantic the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Atlantic and it is different every year. Since half of the time in Atlantic last frost occurs after April 15 be ready to cover your missouri primrose in the event of a surprise late frost.

USDA Zone Info for Atlantic

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Atlantic

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