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

By referring to the USDA zone info for Yankton you should be able to determine 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 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 Yankton 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 couple of weeks earlier by starting your banana indoors.

Last Frost Date

The average date of last frost is April 15 in Yankton. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Yankton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Yankton there is a last frost after April 15 be ready to protect your banana if you have a late frost.

USDA Zone Info for Yankton

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 Yankton

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