When to Plant Feverfew in Glenwood, IA

Before planting it is a good idea to find your USDA Zone info to determine 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.

By reviewing the USDA zone info for Glenwood it's possible 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 can survive in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant feverfew
Possibly ok, but a risky time to plant feverfew
Probably not a good time to plant feverfew

The earliest that you can plant feverfew in Glenwood 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 really do well. You can get started a few weeks earlier by starting your feverfew indoors.

Last Frost Date

The average date of last frost is April 15 in Glenwood. You can expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Glenwood is just an average and the actual date of last frost will vary from year to year. Half of the time in Glenwood you get surprised by a frost after April 15 so just be sure to be ready to cover your feverfew if you have a surprise late frost.

USDA Zone Info for Glenwood

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Glenwood

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