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

The USDA zone info for Decorah should be reffered to in order to determine when you can plant okra.

Planting Calendar for Okra

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

You really shouldn't plant okra until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant okra in Decorah 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 okra and expect a good harvest is probably August. Any later than that and your okra may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your okra indoors.

Last Frost Date

In Decorah the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Decorah is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Decorah last frost occurs after May 15 so always be ready to cover your okra in the event of a surprise late frost.

USDA Zone Info for Decorah

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Decorah

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