When to Plant Quinoa in Zone 3
In USDA zone 3a, plant outdoors May 30 to September 7, and expect your first harvest around September 7. (3a shown here — see 3a and 3b dates separately below.)
Quinoa planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Direct sow
May 30
Projected first harvest
Sep 7
Quinoa is ready to harvest in about 100 days, needing roughly 103 frost-free days in zone 3a.
Quinoa planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Direct sow
May 20
Projected first harvest
Aug 28
Quinoa is ready to harvest in about 100 days, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of quinoa in the HomeSown library. Tap any for its full grow guide.
Common problems with quinoa
What to watch for, with identification and treatment for each
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