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

By checking out the USDA zone info for Del Rio you will be able to figure out when you can plant melons.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant melons until after the last frost has passed because they require warm weather.

The earliest that you can plant melons in Del Rio is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant melons and expect a good harvest is probably September. You probably don't want to wait any later than that or else your melons may not have a chance to grow to maturity. If you are starting your melons indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Del Rio. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Del Rio may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Del Rio there is a last frost after February 15 so just be sure to be ready to cover your melons in the event of a late frost.

USDA Zone Info for Del Rio

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Del Rio

You may be interested in your other planting guides for Del Rio.