One of the first steps you take when you are making a decision about 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.

By referring to the USDA zone info for East Troy you will be able to estimate when to plant perilla.

Planting Calendar for Perilla

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

Since perilla require warm weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant perilla in East Troy 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. You probably don't want to wait any later than that or else your perilla may not have a chance to really do well. If you are starting your perilla indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in East Troy. You should expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for East Troy is not always accurate and the actual date of last frost is different every year. Half of the time in East Troy you get a frost after April 15 so make sure that you are prepared to protect your perilla in the event of a late frost.

USDA Zone Info for East Troy

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in East Troy

You may be interested in your other planting guides for East Troy.