Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 chance to plant squash in Crystal City can be figured out by using 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.

Since squash require warm weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant squash in Crystal 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. Starting your squash indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Crystal City. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Crystal City is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Crystal City it frosts late in the year after February 15 so make sure that you are prepared to cover your squash if you have a surprise late frost.

USDA Zone Info for Crystal City

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 Crystal City

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