When to Plant Lemon Thyme in Montana
Montana spans USDA hardiness 3b to 6b (zones 3b to 6b on this page). Plant lemon thyme by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 3b · Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b
Lemon Thyme planting calendar for Montana, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Direct sow
Jun 3
Projected first harvest
Sep 1
Lemon Thyme is ready to harvest in about 90 days. Full zone 3 guide (both 3a and 3b) →
Lemon Thyme planting calendar for Montana, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Direct sow
May 29
Projected first harvest
Aug 27
Lemon Thyme is ready to harvest in about 90 days. Full zone 4 guide (both 4a and 4b) →
Lemon Thyme planting calendar for Montana, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Direct sow
May 24
Projected first harvest
Aug 22
Lemon Thyme is ready to harvest in about 90 days. Full zone 4 guide (both 4a and 4b) →
Lemon Thyme planting calendar for Montana, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Direct sow
May 19
Projected first harvest
Aug 17
Lemon Thyme is ready to harvest in about 90 days. Full zone 5 guide (both 5a and 5b) →
Lemon Thyme planting calendar for Montana, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
May 14
Projected first harvest
Aug 12
Lemon Thyme is ready to harvest in about 90 days. Full zone 5 guide (both 5a and 5b) →
Lemon Thyme planting calendar for Montana, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 9
Projected first harvest
Aug 7
Lemon Thyme is ready to harvest in about 90 days. Full zone 6 guide (both 6a and 6b) →
Lemon Thyme planting calendar for Montana, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
May 4
Projected first harvest
Aug 2
Lemon Thyme is ready to harvest in about 90 days. Full zone 6 guide (both 6a and 6b) →
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 lemon thyme in the HomeSown library. Tap any for its full grow guide.
Common problems with lemon thyme
What to watch for, with identification and treatment for each
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