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

In Lake Elsinore you can figure out when it's the best time to plant perilla by referring to the USDA zone info.

Planting Calendar for Perilla

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

You should not plant perilla until after the last frost because they do not do well in cold weather.

The earliest that you can plant perilla in Lake Elsinore 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. Any later than that and 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

The average date of last frost is February 15 in Lake Elsinore. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Lake Elsinore and it will vary from year to year. Half of the time in Lake Elsinore you get surprised by a frost after February 15 so just be sure to be ready to cover your perilla in the event of one of those late frosts.

USDA Zone Info for Lake Elsinore

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 Lake Elsinore

You may be interested in your other planting guides for Lake Elsinore.