The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when to plant watermelon by using the USDA zone info for Grove City.

Planting Calendar for Watermelon

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

It's a bad idea to plant watermelon until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant watermelon in Grove City 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 watermelon and expect a good harvest is probably August. Any later than that and your watermelon may not have a chance to really do well. Starting your watermelon indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Grove City is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Grove City it frosts late in the year after April 15 so make sure that you are prepared to protect your watermelon if you have a late frost.

USDA Zone Info for Grove City

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 Grove City

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