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

By checking out the USDA zone info for Mill Valley you will be able 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.

Since aubretia do well in cold you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aubretia in Mill Valley 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. If you are starting your aubretia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Mill Valley. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Mill Valley may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Mill Valley you get surprised by a frost after January 31 so make sure that you are prepared to protect your aubretia in the event of a late frost.

USDA Zone Info for Mill Valley

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Mill Valley

You may be interested in your other planting guides for Mill Valley.