Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Casa Grande you can estimate when to plant asparagus by using the USDA zone info.

Planting Calendar for Asparagus

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

Asparagus can survive in quite a bit of cold which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant asparagus in Casa Grande is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to fully mature. You can get started a few weeks earlier by starting your asparagus indoors.

Last Frost Date

The average date of last frost is April 15 in Casa Grande. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Casa Grande may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Casa Grande it frosts late in the year after April 15 be ready to protect your asparagus if you have a late frost.

USDA Zone Info for Casa Grande

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Casa Grande

You may be interested in your other planting guides for Casa Grande.