When to Plant Hamburg root parsley in Iron Mountain, MI

One of the first steps you take when you are figuring out 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.

A common way of determining when to plant hamburg root parsley is to examine the USDA zone info for Iron Mountain.


Planting Calendar for Hamburg root parsley

Frost tolerance for hamburg root parsley: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant hamburg root parsley a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant hamburg root parsley
Possibly ok, but a risky time to plant hamburg root parsley
Probably not a good time to plant hamburg root parsley

The earliest that you can plant hamburg root parsley in Iron Mountain is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hamburg root parsley and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hamburg root parsley may not have a chance to grow to maturity. If you are starting your hamburg root parsley indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Iron Mountain. In the coldest months of winter you should expect an average low temperature of -30°F.

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 can change quite a bit from year to year. Since half of the time in Iron Mountain it frosts late in the year after May 15 be ready to cover your hamburg root parsley 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.