The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Iron Mountain you will be able to determine when it's the best time to plant marguerite daisy.

Planting Calendar for Marguerite Daisy

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

Since marguerite daisy require warm weather you have to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

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

Since the USDA zone info for Iron Mountain is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Iron Mountain last frost occurs after May 15 so make sure that you are prepared to cover your marguerite daisy if you have 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.