Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when to plant banana is to consult the USDA zone info for Phoenix.

Planting Calendar for Banana

Frost tolerance for banana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since banana do not do well in cold weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant banana in Phoenix is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant banana and expect a good harvest is probably September. You probably don't want to wait any later than that or else your banana may not have a chance to fully mature. If you are starting your banana indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Phoenix may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Phoenix it frosts late in the year after February 15 so just be sure to be ready to protect your banana if you have a late frost.

USDA Zone Info for Phoenix

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 Phoenix

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