One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Devils Lake you will be able to figure out when it's a good idea to plant feverfew.

Planting Calendar for Feverfew

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

Feverfew are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant feverfew in Devils Lake 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 feverfew and expect a good harvest is probably August. You probably don't want to wait any later than that or else your feverfew may not have a chance to fully mature. Starting your feverfew indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Devils Lake and it is different every year. Half of the time in Devils Lake you get surprised by a frost after May 15 so just be sure to be ready to cover your feverfew if you have one of those late frosts.

USDA Zone Info for Devils Lake

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 Devils Lake

You may be interested in your other planting guides for Devils Lake.