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.

The earliest that you can plant feverfew in Rockford should be estimated 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.

You can plant feverfew a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant feverfew in Rockford 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Rockford. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Rockford may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Rockford last frost occurs after April 15 so make sure that you are ready to protect your feverfew if you have one of those late frosts.

USDA Zone Info for Rockford

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 Rockford

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