Before planting it is a good idea to find your USDA Zone info to determine 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 opportunity to plant tomatos in Robstown can be estimated by using the USDA zone info.

Planting Calendar for Tomatos

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

You can not plant tomatos until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant tomatos in Robstown 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 tomatos and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tomatos may not have a chance to fully mature. Starting your tomatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Robstown. You should expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Robstown may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Robstown last frost occurs after February 15 be ready to protect your tomatos in the event of a surprise late frost.

USDA Zone Info for Robstown

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 Robstown

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