One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rhinelander you can estimate when you can plant feverfew by using 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 earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant feverfew in Rhinelander 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. Any later than that and your feverfew may not have a chance to really do well. Starting your feverfew indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Rhinelander. In the coldest months of winter you should expect an average low temperature of -30°F.

Since the USDA zone info for Rhinelander is an average the actual date of last frost will vary from year to year. Since half of the time in Rhinelander it frosts late in the year after May 15 be ready to protect your feverfew if you have one of those late frosts.

USDA Zone Info for Rhinelander

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 Rhinelander

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