When to Plant Borage in Sumter, SC

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.

You can figure out when it's possible to plant borage in Sumter by checking out the USDA zone info.


Planting Calendar for Borage

Frost tolerance for borage: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since borage are moderately cold tolerant you can plant them a little bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant borage
Possibly ok, but a risky time to plant borage
Probably not a good time to plant borage

The earliest that you can plant borage in Sumter 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 borage and expect a good harvest is probably September. Any later than that and your borage may not have a chance to fully mature. If you are starting your borage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Sumter is just an average and the actual date of last frost changes from year to year. Since half of the time in Sumter you get surprised by a frost after March 15 be ready to cover your borage if you have a late frost.

USDA Zone Info for Sumter

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 Low10°F
Highest Expected Low15°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 Sumter

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