When to Plant Cumin in Idaho
Idaho spans USDA hardiness 4a to 7b (zones 4a to 7b on this page). Plant cumin by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b
Cumin planting calendar for Idaho, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Mar 20
Transplant outdoors
May 22
Projected first harvest
Sep 19
Cumin is ready to harvest in about 120 days. Full zone 4 guide (both 4a and 4b) →
Cumin planting calendar for Idaho, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Mar 15
Transplant outdoors
May 17
Projected first harvest
Sep 14
Cumin is ready to harvest in about 120 days. Full zone 4 guide (both 4a and 4b) →
Cumin planting calendar for Idaho, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Start seeds indoors
Mar 10
Transplant outdoors
May 12
Projected first harvest
Sep 9
Cumin is ready to harvest in about 120 days. Full zone 5 guide (both 5a and 5b) →
Cumin planting calendar for Idaho, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Start seeds indoors
Mar 5
Transplant outdoors
May 7
Projected first harvest
Sep 4
Cumin is ready to harvest in about 120 days. Full zone 5 guide (both 5a and 5b) →
Cumin planting calendar for Idaho, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Feb 28
Transplant outdoors
May 2
Projected first harvest
Aug 30
Cumin is ready to harvest in about 120 days. Full zone 6 guide (both 6a and 6b) →
Cumin planting calendar for Idaho, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 23
Transplant outdoors
Apr 27
Projected first harvest
Aug 25
Cumin is ready to harvest in about 120 days. Full zone 6 guide (both 6a and 6b) →
Cumin planting calendar for Idaho, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 18
Transplant outdoors
Apr 22
Projected first harvest
Aug 20
Cumin is ready to harvest in about 120 days. Full zone 7 guide (both 7a and 7b) →
Cumin planting calendar for Idaho, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Feb 13
Transplant outdoors
Apr 17
Projected first harvest
Aug 15
Cumin 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 cumin in the HomeSown library. Tap any for its full grow guide.
Common problems with cumin
What to watch for, with identification and treatment for each
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