The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when to plant okra in Iron Mountain by using the USDA zone info.

Planting Calendar for Okra

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

You really shouldn't plant okra until after the last frost because they require warm weather.

The earliest that you can plant okra in Iron Mountain 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. If you wait any later than that and your okra may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your okra indoors.

Last Frost Date

On average the last frost is on May 15 in Iron Mountain. It might get as low as -30°F during the coldest months of winter.

Since the USDA zone info for Iron Mountain is just an average the actual date of last frost will vary from year to year. Since half of the time in Iron Mountain you get surprised by a frost after May 15 be ready to cover your okra if you have a surprise late frost.

USDA Zone Info for Iron Mountain

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 Iron Mountain

You may be interested in your other planting guides for Iron Mountain.