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

The USDA zone info for Andover should be reffered to in order to determine when it's a good idea to plant perilla.

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 all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant perilla in Andover 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. 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

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

Keep in mind that USDA zone info for Andover is not always accurate and the actual date of last frost changes from year to year. Half of the time in Andover you get surprised by a frost after May 15 so always be ready to protect your perilla in the event of a late frost.

USDA Zone Info for Andover

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 Andover

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