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.

The first chance to plant perilla in Atascadero can be estimated by checking out the USDA zone info.

Planting Calendar for Perilla

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

Since perilla are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant perilla in Atascadero 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 little bit earlier by starting your perilla indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Atascadero. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Atascadero is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Atascadero it frosts late in the year after February 15 be ready to cover your perilla if you have a late frost.

USDA Zone Info for Atascadero

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 Atascadero

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