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 chance to plant violets in Robstown can be estimated by looking at the USDA zone info.

Planting Calendar for Violets

Frost tolerance for violets:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Violets do well in moderate cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant violets in Robstown is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant violets and expect a good harvest is probably October. Any later than that and your violets may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your violets indoors.

Last Frost Date

In Robstown the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Robstown is just an average the actual date of last frost changes from year to year. Since half of the time in Robstown it frosts late in the year after February 15 be ready to protect your violets in the event of one of those late frosts.

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.