One of the first steps you take when you are getting a good idea 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.

The first opportunity to plant perilla in Norwich can be figured out by using the USDA zone info.

Planting Calendar for Perilla

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

It's not a good idea to plant perilla until after the last frost has passed because they require warm weather.

The earliest that you can plant perilla in Norwich 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. Any later than that and 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 few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Norwich. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Norwich is not always accurate the actual date of last frost changes from year to year. Half of the time in Norwich you get surprised by a frost after April 15 so always be ready to protect your perilla if you have a late frost.

USDA Zone Info for Norwich

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Norwich

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