One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when to plant aurinia by referring to the USDA zone info for Barstow.

Planting Calendar for Aurinia

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

You can plant aurinia earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant aurinia in Barstow 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. Any later than that and your aurinia may not have a chance to fully mature. If you are starting your aurinia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Barstow the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Barstow is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Barstow last frost occurs after February 15 so make sure that you are prepared to cover your aurinia in the event of a surprise late frost.

USDA Zone Info for Barstow

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Barstow

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