One of the best tools that you have as gardeners to help us estimate 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.

A common way of figuring out when it's the best time to plant tomatos is to check out the USDA zone info for Tinley Park.

Planting Calendar for Tomatos

Frost tolerance for tomatos:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since tomatos are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant tomatos in Tinley Park 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 tomatos and expect a good harvest is probably August. Any later than that and your tomatos may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your tomatos indoors.

Last Frost Date

The average date of last frost is April 15 in Tinley Park. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Tinley Park is just an average and the actual date of last frost is different every year. Since half of the time in Tinley Park you get a frost after April 15 be ready to protect your tomatos in the event of a late frost.

USDA Zone Info for Tinley Park

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 Tinley Park

You may be interested in your other planting guides for Tinley Park.