Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Hopatcong can be used to determine when it's possible to plant watermelon.

Planting Calendar for Watermelon

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

You should not plant watermelon until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant watermelon in Hopatcong 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. 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 Hopatcong. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Hopatcong and it changes from year to year. Since half of the time in Hopatcong you get a frost after April 15 be ready to protect your watermelon in the event of one of those late frosts.

USDA Zone Info for Hopatcong

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 Hopatcong

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