One of the best tools that you have as gardeners to help us determine 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.

It's possible to estimate when it's possible to plant aubretia by checking out the USDA zone info for Wickenburg.

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 plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant aubretia in Wickenburg 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 little bit earlier by starting your aubretia indoors.

Last Frost Date

On average the last frost is on February 15 in Wickenburg. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Wickenburg is not always accurate the actual date of last frost is different every year. Half of the time in Wickenburg there is a last frost after February 15 so just be sure to be ready to protect your aubretia in the event of a surprise late frost.

USDA Zone Info for Wickenburg

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 Wickenburg

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