When to Plant Banana in Jefferson, WI

One of the best tools that you have as gardeners to help us figure out 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 estimate when it's a good idea to plant banana in Jefferson by checking out the USDA zone info.


Planting Calendar for Banana

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

It's probably not a good idea to plant banana until after the last frost when the weather gets warmer because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant banana
Possibly ok, but a risky time to plant banana
Probably not a good time to plant banana

The earliest that you can plant banana in Jefferson 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 really do well. You can get started a few weeks earlier by starting your banana indoors.

Last Frost Date

On average the last frost is on April 15 in Jefferson. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Jefferson may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Jefferson you get a frost after April 15 be ready to cover your banana if you have one of those late frosts.

USDA Zone Info for Jefferson

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 Jefferson

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