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.

In Big Spring you can figure out when it's the best time to plant missouri primrose by looking at 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.

You can plant missouri primrose just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant missouri primrose in Big Spring 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. Any later than that and your missouri primrose may not have a chance to really do well. You can get started a little bit earlier by starting your missouri primrose indoors.

Last Frost Date

In Big Spring the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Big Spring and it changes from year to year. Half of the time in Big Spring you get surprised by a frost after March 15 so always be ready to protect your missouri primrose in the event of a surprise late frost.

USDA Zone Info for Big Spring

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Big Spring

You may be interested in your other planting guides for Big Spring.