Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Duluth you can figure out when you can plant dahlberg daisy by using the USDA zone info.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant dahlberg daisy until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant dahlberg daisy in Duluth 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. If you wait any later than that and your dahlberg daisy may not have a chance to really do well. If you are starting your dahlberg daisy indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Duluth is an average the actual date of last frost will vary from year to year. Since half of the time in Duluth you get surprised by a frost after May 15 be ready to cover your dahlberg daisy if you have a late frost.

USDA Zone Info for Duluth

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 Duluth

You may be interested in your other planting guides for Duluth.