One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant perilla in Florence by reviewing the USDA zone info.

Planting Calendar for Perilla

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

It's probably a bad 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 Florence 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. If you wait any later than that and your perilla may not have a chance to really do well. Starting your perilla indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Florence the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Florence is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Florence you get a frost after February 15 be ready to cover your perilla if you have one of those late frosts.

USDA Zone Info for Florence

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Florence

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