One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 will be able to determine when it's a good idea to plant perilla by using the USDA zone info for Thousand Oaks.

Planting Calendar for Perilla

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

It's probably not a good idea to plant perilla until after the last frost because they do not do well in cold weather.

The earliest that you can plant perilla in Thousand Oaks 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 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

The average date of last frost is January 31 in Thousand Oaks. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Thousand Oaks may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Thousand Oaks last frost occurs after January 31 be ready to protect your perilla in the event of a late frost.

USDA Zone Info for Thousand Oaks

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Thousand Oaks

You may be interested in your other planting guides for Thousand Oaks.