One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Pecos you can determine when to plant watermelon by using the USDA zone info.

Planting Calendar for Watermelon

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

It's not a good idea to plant watermelon until after the last frost because they do not do well in cold weather.

The earliest that you can plant watermelon in Pecos 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. If you wait 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 little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Pecos. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Pecos is just an average the actual date of last frost is different every year. Since half of the time in Pecos you get a frost after March 15 be ready to cover your watermelon in the event of a late frost.

USDA Zone Info for Pecos

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Pecos

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