The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Powell should be used to figure out when 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 do well in a little bit of cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant feverfew in Powell 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. If you are starting your feverfew indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Powell. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for Powell is just an average and the actual date of last frost is different every year. Since half of the time in Powell you get surprised by a frost after May 15 be ready to protect your feverfew in the event of a late frost.

USDA Zone Info for Powell

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Powell

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