One of the best tools that you have as gardeners to help us determine 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 King should be reffered to in order to figure out 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.

Missouri Primrose can survive in moderate cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant missouri primrose in King 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. You probably don't want to wait any later than that or else your missouri primrose may not have a chance to really do well. Starting your missouri primrose indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in King. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for King may not be accurate from year to year the actual date of last frost is different every year. Half of the time in King there is a last frost after April 15 so be sure to be ready to protect your missouri primrose in the event of one of those late frosts.

USDA Zone Info for King

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in King

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