The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Gretna should be reviewed to determine when to plant aurinia.

Planting Calendar for Aurinia

Frost tolerance for aurinia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aurinia can survive in a bit of cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant aurinia in Gretna 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 aurinia and expect a good harvest is probably October. You probably don't want to wait any later than that or else your aurinia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your aurinia indoors.

Last Frost Date

The average date of last frost is February 15 in Gretna. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Gretna is an average and the actual date of last frost will vary from year to year. Since half of the time in Gretna it frosts late in the year after February 15 be ready to protect your aurinia if you have a surprise late frost.

USDA Zone Info for Gretna

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 Gretna

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