One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant firebush is to use the USDA zone info for Casa Grande.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably not a good idea to plant firebush until after the last frost has passed because they are not cold tolerant.

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

The last month that you can plant firebush and expect a good harvest is probably August. If you wait any later than that and your firebush may not have a chance to fully mature. You can get started a little bit earlier by starting your firebush indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Casa Grande. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Casa Grande is an average the actual date of last frost changes from year to year. Half of the time in Casa Grande you get surprised by a frost after April 15 so be sure to be ready to protect your firebush if you have a surprise 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.