One of the first steps you take when you are figuring out 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.

You should be able to estimate when it's the best time to plant aubretia by checking out the USDA zone info for Pleasanton.

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 quite a bit of cold which means that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aubretia in Pleasanton 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. If you wait any later than that and your aubretia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your aubretia indoors.

Last Frost Date

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

Since the USDA zone info for Pleasanton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Pleasanton it frosts late in the year after February 15 be ready to protect your aubretia if you have a late frost.

USDA Zone Info for Pleasanton

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 Pleasanton

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