The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's possible to plant perilla by looking at the USDA zone info for Hope.

Planting Calendar for Perilla

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

You really shouldn't plant perilla until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant perilla in Hope 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 fully mature. Starting your perilla indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Hope. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Hope is just an average the actual date of last frost is different every year. Half of the time in Hope there is a last frost after March 15 so make sure that you are prepared to cover your perilla in the event of a surprise late frost.

USDA Zone Info for Hope

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Hope

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