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

In Duluth you can estimate when it's a good idea to plant feverfew by looking at the USDA zone info.

Planting Calendar for Feverfew

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

Since feverfew are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant feverfew in Duluth is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant feverfew and expect a good harvest is probably September. Any later than that and your feverfew may not have a chance to grow to maturity. If you are starting your feverfew indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Duluth. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Duluth is not always accurate the actual date of last frost changes from year to year. Half of the time in Duluth you get a frost after April 15 so make sure that you are prepared to protect your feverfew in the event of a late frost.

USDA Zone Info for Duluth

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Duluth

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