One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant green beans is to examine the USDA zone info for Phoenix.

Planting Calendar for Green beans

Frost tolerance for green beans:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since green beans are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant green beans in Phoenix 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 green beans and expect a good harvest is probably August. Any later than that and your green beans may not have a chance to really do well. You can get started a little bit earlier by starting your green beans indoors.

Last Frost Date

In Phoenix the average date of last frost happens on March 15. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Phoenix 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 Phoenix last frost occurs after March 15 be ready to protect your green beans if you have one of those late frosts.

USDA Zone Info for Phoenix

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Phoenix

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