When can I plant Perilla in Zone 1a

One of the first steps we take when we are estimating our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 1a can be reffered to in order to estimate when to plant perilla.


Planting Calendar for Perilla

Frost tolerance for perilla: Not tolerant of frost.
When you should plant them: After the last frost.

You should not plant perilla until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant perilla
Possibly ok, but a risky time to plant perilla
Probably not a good time to plant perilla

The earliest that you can plant perilla in Zone 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant perilla and expect a good harvest is probably July. Any later than that and your perilla may not have a chance to fully mature. You can get started a little bit earlier by starting your perilla indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on June 15 in Zone 1a. We can expect an average low temperature of -60°F in the coldest months of winter.

Since the USDA zone info for Zone 1a is just an average our actual date of last frost changes from year to year. Since half of the time in Zone 1a we get surprised by a frost after June 15 be ready to protect your perilla if we have a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.