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When to Plant Fiber Optic Grass in Iron Mountain, MI

One of the first steps you take when you are estimating 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 first chance to plant fiber optic grass in Iron Mountain can be figured out by using the USDA zone info.


Planting Calendar for Fiber Optic Grass

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

Fiber Optic Grass require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant fiber optic grass
Possibly ok, but a risky time to plant fiber optic grass
Probably not a good time to plant fiber optic grass

The earliest that you can plant fiber optic grass 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 fiber optic grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your fiber optic grass may not have a chance to really do well. If you are starting your fiber optic grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Iron Mountain may not be accurate from year to year and the actual date of last frost can change quite a bit from year to 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 fiber optic grass in the event of a 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.