Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Portage you can estimate when you can plant feverfew by referring to 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.

You can plant feverfew a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant feverfew in Portage 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. Starting your feverfew indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Portage is just an average the actual date of last frost will vary from year to year. Half of the time in Portage it frosts late in the year after April 15 so just be sure to be ready to protect your feverfew in the event of one of those late frosts.

USDA Zone Info for Portage

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Portage

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