Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when you can plant asparagus is to refer to the USDA zone info for Fountain Hills.

Planting Calendar for Asparagus

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

Asparagus do well in cold which means that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant asparagus 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 asparagus and expect a good harvest is probably October. You probably don't want to wait any later than that or else your asparagus may not have a chance to grow to maturity. Starting your asparagus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Fountain Hills. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Fountain Hills is just an average the actual date of last frost is different every year. Half of the time in Fountain Hills you get surprised by a frost after February 15 so be sure to be ready to cover your asparagus in the event of 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.