Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Hartsville you should be able to figure out when it's a good idea to plant snow-in summer.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant snow-in summer a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant snow-in summer in Hartsville 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 snow-in summer and expect a good harvest is probably September. Any later than that and your snow-in summer may not have a chance to fully mature. You can get started a little bit earlier by starting your snow-in summer indoors.

Last Frost Date

On average the last frost is on March 15 in Hartsville. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Hartsville is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hartsville you get surprised by a frost after March 15 be ready to cover your snow-in summer if you have one of those late frosts.

USDA Zone Info for Hartsville

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 Hartsville

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