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.

The USDA zone info for Iron Mountain should be reviewed to determine when you can plant iceland poppy.

Planting Calendar for Iceland Poppy

Frost tolerance for iceland poppy:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Iceland Poppy are moderately cold tolerant which means that you can get them planted earlier than more sensitive plants.

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

Last Frost Date

On average the last frost has passed is on May 15 in Iron Mountain. It might get as low as -30°F during the coldest months of winter.

Just be sure to 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 always be ready to protect your iceland poppy 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.