One of the best tools that you have as gardeners to help us determine 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.

A way of determining when it's the best time to plant perilla is to look at the USDA zone info for Chickasha.

Planting Calendar for Perilla

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

Since perilla are not cold tolerant it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant perilla in Chickasha is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant perilla and expect a good harvest is probably August. If you wait any later than that and your perilla may not have a chance to really do well. You can get started a little bit earlier by starting your perilla indoors.

Last Frost Date

In Chickasha the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Chickasha is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Chickasha it frosts late in the year after April 15 be ready to protect your perilla in the event of a surprise late frost.

USDA Zone Info for Chickasha

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Chickasha

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