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When to Plant Black pepper in Iron Mountain, MI

One of the best tools that you have as gardeners to help us determine 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 will be able to estimate when it's a good idea to plant black pepper by using the USDA zone info for Iron Mountain.


Planting Calendar for Black pepper

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

Since black pepper are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant black pepper 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 black pepper and expect a good harvest is probably August. You probably don't want to wait any later than that or else your black pepper may not have a chance to grow to maturity. If you are starting your black pepper indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Iron Mountain and it is different every year. Half of the time in Iron Mountain you get surprised by a frost after May 15 so just be sure to be ready to protect your black pepper 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.