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.

A common way of getting a good idea when it's the best time to plant watermelon is to check out the USDA zone info for Bristol.

Planting Calendar for Watermelon

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

It's probably a bad idea to plant watermelon until after the last frost because they require warm weather.

The earliest that you can plant watermelon in Bristol 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 little bit earlier by starting your watermelon indoors.

Last Frost Date

The average date of last frost is April 15 in Bristol. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Bristol may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Bristol there is a last frost after April 15 so just be sure to be ready to protect your watermelon in the event of a surprise late frost.

USDA Zone Info for Bristol

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Bristol

You may be interested in your other planting guides for Bristol.