The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant banana in Pullman should be estimated by using the USDA zone info.

Planting Calendar for Banana

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

Since banana do not do well in cold weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant banana in Pullman 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 banana and expect a good harvest is probably August. If you wait any later than that and your banana may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your banana indoors.

Last Frost Date

The average date of last frost is April 15 in Pullman. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Pullman is just an average the actual date of last frost will vary from year to year. Since half of the time in Pullman you get a frost after April 15 be ready to protect your banana in the event of one of those late frosts.

USDA Zone Info for Pullman

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Pullman

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