The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Woodridge you can figure out when it's the best time to plant perilla 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 has passed.

You can not plant perilla until after the last frost has passed because they require warm weather.

The earliest that you can plant perilla in Woodridge 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. If you wait any later than that and your perilla may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your perilla indoors.

Last Frost Date

The average date of last frost is April 15 in Woodridge. You should expect an average low temperature of -15°F in the coldest months of winter.

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

USDA Zone Info for Woodridge

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Woodridge

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