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 checking out the USDA zone info for River Forest it's a good idea to determine when it's a good idea to plant painted tongues.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since painted tongues are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant painted tongues in River Forest 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 painted tongues and expect a good harvest is probably August. Any later than that and your painted tongues may not have a chance to grow to maturity. Starting your painted tongues indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in River Forest. In the coldest months of winter you can expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for River Forest is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in River Forest it frosts late in the year after April 15 be ready to cover your painted tongues in the event of a late frost.

USDA Zone Info for River Forest

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in River Forest

You may be interested in your other planting guides for River Forest.