Cumin in Zone 3a & 3b
Cuminum cyminum
When to plant cumin in zone 3b
Zones 3a and 3b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Cumin doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Jun 20–Jun 27 |
| Estimated harvest | Oct 18–Oct 25 (~120 days after direct-sowing) |
Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 0.5-1 ft.
Cumin is a warm-season seed spice that needs a long, warm growing season to mature its seed, unlike most quick-turnaround culinary herbs.
How cumin fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Cumin needs about 120 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Cumin.
Where to buy cumin seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing cumin" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 3b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Cumin in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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