When to Plant Tomatos in Palos Heights, IL

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Palos Heights you should be able to determine when to plant tomatos.


Planting Calendar for Tomatos

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

Tomatos do not do well in cold weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tomatos
Possibly ok, but a risky time to plant tomatos
Probably not a good time to plant tomatos

The earliest that you can plant tomatos in Palos Heights 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 really do well. 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 Palos Heights. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Palos Heights is an average the actual date of last frost will vary from year to year. Half of the time in Palos Heights last frost occurs after April 15 so always be ready to cover your tomatos in the event of a surprise late frost.

USDA Zone Info for Palos Heights

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 Palos Heights

You may be interested in your other planting guides for Palos Heights.