The USDA Zone info is a great tool for gardeners to help us estimate 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.

It's possible to estimate when it's possible to plant squash by looking at the USDA zone info for Olympia Fields.

Planting Calendar for Squash

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

It's not a good idea to plant squash until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant squash in Olympia Fields 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 squash and expect a good harvest is probably August. Any later than that and your squash may not have a chance to really do well. You can get started a few weeks earlier by starting your squash indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Olympia Fields is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Olympia Fields last frost occurs after April 15 be ready to cover your squash in the event of a late frost.

USDA Zone Info for Olympia Fields

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 Olympia Fields

You may be interested in your other planting guides for Olympia Fields.