When to Plant Feverfew in Illinois
Illinois spans USDA hardiness 5a to 7a (zones 5a to 7a on this page). Plant feverfew by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a
Feverfew planting calendar for Illinois, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Start seeds indoors
Mar 10
Transplant outdoors
May 5
Projected first harvest
Sep 2
Feverfew is ready to harvest in about 120 days. Full zone 5 guide (both 5a and 5b) →
Feverfew planting calendar for Illinois, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Start seeds indoors
Mar 5
Transplant outdoors
Apr 30
Projected first harvest
Aug 28
Feverfew is ready to harvest in about 120 days. Full zone 5 guide (both 5a and 5b) →
Feverfew planting calendar for Illinois, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Feb 28
Transplant outdoors
Apr 25
Projected first harvest
Aug 23
Feverfew is ready to harvest in about 120 days. Full zone 6 guide (both 6a and 6b) →
Feverfew planting calendar for Illinois, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 23
Transplant outdoors
Apr 20
Projected first harvest
Aug 18
Feverfew is ready to harvest in about 120 days. Full zone 6 guide (both 6a and 6b) →
Feverfew planting calendar for Illinois, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 18
Transplant outdoors
Apr 15
Projected first harvest
Aug 13
Feverfew is ready to harvest in about 120 days. Full zone 7 guide (both 7a and 7b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of feverfew in the HomeSown library. Tap any for its full grow guide.
Common problems with feverfew
What to watch for, with identification and treatment for each
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