The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant aurinia in Fountain Hills by using the USDA zone info.

Planting Calendar for Aurinia

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

Aurinia are very cold tolerant which means that you can start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant aurinia in Fountain Hills 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 grow to maturity. You can get started a few weeks earlier by starting your aurinia indoors.

Last Frost Date

The average date of last frost is February 15 in Fountain Hills. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Fountain Hills is an average and the actual date of last frost changes from year to year. Since half of the time in Fountain Hills last frost occurs after February 15 be ready to cover your aurinia if you have a surprise late frost.

USDA Zone Info for Fountain Hills

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Fountain Hills

You may be interested in your other planting guides for Fountain Hills.