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.

You can determine when it's possible to plant squash in Rio Grande City by reviewing the USDA zone info.

Planting Calendar for Squash

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

Squash are not cold tolerant which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant squash in Rio Grande City 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 squash and expect a good harvest is probably September. You probably don't want to wait any later than that or else your squash may not have a chance to really do well. You can get started a little bit earlier by starting your squash indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Rio Grande City. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rio Grande City is an average and the actual date of last frost is different every year. Half of the time in Rio Grande City it frosts late in the year after February 15 so be sure to be ready to protect your squash in the event of a surprise late frost.

USDA Zone Info for Rio Grande City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rio Grande City

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