One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant banana in Idaho Falls 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 when the weather gets warmer.

It's probably not a good idea to plant banana until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant banana in Idaho Falls 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. Any later than that and your banana may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your banana indoors.

Last Frost Date

The average date of last frost is April 15 in Idaho Falls. You can expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Idaho Falls is not always accurate and the actual date of last frost is different every year. Half of the time in Idaho Falls you get a frost after April 15 so just be sure to be ready to protect your banana if you have one of those late frosts.

USDA Zone Info for Idaho Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Idaho Falls

You may be interested in your other planting guides for Idaho Falls.