One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Mountainside you should be able to estimate 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.

Since perilla are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant perilla in Mountainside 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 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 April 15 in Mountainside. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Mountainside is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Mountainside it frosts late in the year after April 15 be ready to protect your perilla in the event of one of those late frosts.

USDA Zone Info for Mountainside

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Mountainside

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