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.

The first opportunity to plant watermelon in Nephi should be estimated by referring to the USDA zone info.

Planting Calendar for Watermelon

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

Since watermelon require warm weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant watermelon in Nephi 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 grow to maturity. Starting your watermelon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Nephi. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Nephi 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 Nephi you get surprised by a frost after April 15 so always be ready to cover your watermelon if you have a late frost.

USDA Zone Info for Nephi

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 Nephi

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