When to Plant Cucumbers in Iron Mountain, MI

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant cucumbers in Iron Mountain should be estimated by looking at the USDA zone info.


Planting Calendar for Cucumbers

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

It's probably not a good idea to plant cucumbers until after the last frost has passed because they require warm weather.

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

The earliest that you can plant cucumbers 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 cucumbers and expect a good harvest is probably August. Any later than that and your cucumbers may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cucumbers indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Iron Mountain. In the coldest months of winter you can expect an average low temperature of -30°F.

Since the USDA zone info for Iron Mountain is not always accurate the actual date of last frost will vary from year to year. Half of the time in Iron Mountain there is a last frost after May 15 so always be ready to cover your cucumbers 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.