The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when you can plant dahlberg daisy in Iron Mountain by looking at the USDA zone info.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since dahlberg daisy are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant dahlberg 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 dahlberg daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dahlberg daisy may not have a chance to really do well. Starting your dahlberg daisy indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

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. Since half of the time in Iron Mountain last frost occurs after May 15 be ready to protect your dahlberg daisy 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.