One of the best tools that you have as gardeners to help us figure out 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.

It's possible to estimate when it's a good idea to plant feverfew by using the USDA zone info for Wood River.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant feverfew in Wood River 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. If you wait any later than that and your feverfew may not have a chance to fully mature. If you are starting your feverfew indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Wood River. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Wood River is just an average the actual date of last frost changes from year to year. Since half of the time in Wood River you get surprised by a frost after April 15 be ready to cover your feverfew in the event of a surprise late frost.

USDA Zone Info for Wood River

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Wood River

You may be interested in your other planting guides for Wood River.