Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 it's the best time to plant scarlet pimpernels is to refer to the USDA zone info for Pana.

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.

Scarlet Pimpernels can survive in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant scarlet pimpernels in Pana 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. Any later than that and your scarlet pimpernels may not have a chance to fully mature. Starting your scarlet pimpernels 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 Pana. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Pana is not always accurate the actual date of last frost is different every year. Since half of the time in Pana you get a frost after April 15 be ready to cover your scarlet pimpernels if you have a surprise late frost.

USDA Zone Info for Pana

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 Pana

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