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.

The best time to plant watermelon in Washington Court House can be determined by looking at the USDA zone info.

Planting Calendar for Watermelon

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

Watermelon do not do well in cold weather which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant watermelon in Washington Court House 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 fully mature. You can get started a couple of weeks earlier by starting your watermelon indoors.

Last Frost Date

The average date of last frost is April 15 in Washington Court House. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Washington Court House is not always accurate the actual date of last frost changes from year to year. Half of the time in Washington Court House there is a last frost after April 15 so make sure that you are prepared to protect your watermelon if you have a surprise late frost.

USDA Zone Info for Washington Court House

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Washington Court House

You may be interested in your other planting guides for Washington Court House.