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

You should be able to determine when it's the best time to plant squash by reviewing the USDA zone info for Union Grove.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant squash until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant squash in Union Grove 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. You probably don't want to wait any later than that or else your squash may not have a chance to fully mature. If you are starting your squash indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Union Grove the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Union Grove is not always accurate the actual date of last frost is different every year. Since half of the time in Union Grove you get surprised by a frost after April 15 be ready to cover your squash in the event of a late frost.

USDA Zone Info for Union Grove

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 Union Grove

You may be interested in your other planting guides for Union Grove.