The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Manteca you can determine when it's the best time to plant aurinia by checking out the USDA zone info.

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 tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aurinia in Manteca 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. If you wait any later than that and your aurinia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your aurinia indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Manteca is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Manteca last frost occurs after February 15 so always be ready to protect your aurinia if you have a late frost.

USDA Zone Info for Manteca

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 Manteca

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