One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 figure out when you can plant perilla by checking out the USDA zone info for Shawano.

Planting Calendar for Perilla

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

Perilla do not do well in cold weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant perilla in Shawano is May. However, you really should wait until June 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. 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 few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Shawano. In the coldest months of winter you should expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Shawano is just an average and the actual date of last frost changes from year to year. Half of the time in Shawano it frosts late in the year after May 15 so just be sure to be ready to cover your perilla if you have a late frost.

USDA Zone Info for Shawano

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Shawano

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