The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when you can plant scarlet pimpernels is to check out the USDA zone info for Mount Airy.

Planting Calendar for Scarlet Pimpernels

Frost tolerance for scarlet pimpernels:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since scarlet pimpernels do ok in moderate cold you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scarlet pimpernels in Mount Airy is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scarlet pimpernels and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scarlet pimpernels may not have a chance to really do well. If you are starting your scarlet pimpernels indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mount Airy. You can expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Mount Airy is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Mount Airy there is a last frost after April 15 be ready to cover your scarlet pimpernels in the event of a late frost.

USDA Zone Info for Mount Airy

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Mount Airy

You may be interested in your other planting guides for Mount Airy.