One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant melons in Iron Mountain can be estimated by reviewing the USDA zone info.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant melons until after all chance of frost has passed because they do not do well in cold weather.

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

Last Frost Date

The average date of last frost is May 15 in Iron Mountain. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Iron Mountain is not always accurate and the actual date of last frost changes from year to year. Half of the time in Iron Mountain it frosts late in the year after May 15 so always be ready to protect your melons in the event of 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.