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.

The USDA zone info for South Boston should be used to determine when it's a good idea to plant perilla.

Planting Calendar for Perilla

Frost tolerance for perilla:	Not tolerant of frost.
When to plant:	After the last frost.

Since perilla require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant perilla in South Boston is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant perilla and expect a good harvest is probably August. Any later than that and your perilla may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your perilla indoors.

Last Frost Date

On average the last frost has passed is on April 15 in South Boston. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for South Boston may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in South Boston you get a frost after April 15 be ready to cover your perilla if you have a surprise late frost.

USDA Zone Info for South Boston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in South Boston

You may be interested in your other planting guides for South Boston.