Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Ironwood can be looked at to estimate when it's the best time to plant banana.

Planting Calendar for Banana

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

Since banana are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant banana in Ironwood is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your banana may not have a chance to really do well. If you are starting your banana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Ironwood the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Ironwood and it will vary from year to year. Since half of the time in Ironwood you get surprised by a frost after May 15 be ready to cover your banana in the event of a late frost.

USDA Zone Info for Ironwood

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Ironwood

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