Before planting it is a good idea to find your USDA Zone info to determine 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.

It's a good idea to figure out when it's the best time to plant perilla by reviewing the USDA zone info for Longwood.

Planting Calendar for Perilla

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

It's probably not a good idea to plant perilla until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant perilla in Longwood 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 perilla and expect a good harvest is probably September. You probably don't want to wait any later than that or else your perilla may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your perilla indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Longwood. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Longwood is just an average and the actual date of last frost is different every year. Half of the time in Longwood you get surprised by a frost after February 15 so just be sure to be ready to protect your perilla if you have one of those late frosts.

USDA Zone Info for Longwood

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Longwood

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