One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Shafter should be looked at to determine when it's a good idea to plant aubretia.

Planting Calendar for Aubretia

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

Aubretia do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant aubretia in Shafter 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 aubretia and expect a good harvest is probably October. Any later than that and your aubretia may not have a chance to really do well. Starting your aubretia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Shafter the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Shafter is an average and the actual date of last frost changes from year to year. Since half of the time in Shafter it frosts late in the year after February 15 be ready to cover your aubretia if you have one of those late frosts.

USDA Zone Info for Shafter

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 Shafter

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