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

By using the USDA zone info for Watsonville you should be able to figure out when you can plant aurinia.

Planting Calendar for Aurinia

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

Since aurinia are very cold tolerant you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant aurinia in Watsonville 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 really do well. You can get started a little bit earlier by starting your aurinia indoors.

Last Frost Date

In Watsonville the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Watsonville is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Watsonville you get surprised by a frost after February 15 be ready to cover your aurinia in the event of a late frost.

USDA Zone Info for Watsonville

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 Watsonville

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