When to Plant Valerian in North Dakota
North Dakota spans USDA hardiness 3b to 4b (zones 3b to 4b on this page). Plant valerian 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
Valerian planting calendar for North Dakota, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Start seeds indoors
Mar 25
Transplant outdoors
May 20
Projected first harvest
Oct 17
Valerian is ready to harvest in about 150 days. Full zone 3 guide (both 3a and 3b) →
Valerian planting calendar for North Dakota, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Mar 20
Transplant outdoors
May 15
Projected first harvest
Oct 12
Valerian is ready to harvest in about 150 days. Full zone 4 guide (both 4a and 4b) →
Valerian planting calendar for North Dakota, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Mar 15
Transplant outdoors
May 10
Projected first harvest
Oct 7
Valerian is ready to harvest in about 150 days. Full zone 4 guide (both 4a and 4b) →
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 valerian in the HomeSown library. Tap any for its full grow guide.
Common problems with valerian
What to watch for, with identification and treatment for each
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