Fava Bean (Broad Bean) in Zone 6a & 6b
Vicia faba
When to plant fava bean (broad bean) in zone 6b
Zones 6a and 6b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Fava Bean (Broad Bean) doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Apr 4–Apr 11 |
| Estimated harvest | Jun 20–Jun 27 (~77 days after direct-sowing) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 2-4 ft.

Fava beans (also called broad beans) look and grow like nothing else in the bean family. Where snap and pole beans want warm soil and hate frost, fava beans want cool weather and go in the ground earliest of any bean you'll grow.
How fava bean (broad bean) fits zone 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. Fava Bean (Broad Bean) needs about 77 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Fava Bean (Broad Bean).
Where to buy fava bean seeds
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See it growing
Search YouTube for "growing fava bean (broad bean)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 6b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Fava Bean (Broad Bean) in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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