Pepper in Zone 6a & 6b
Capsicum annuum
When to plant pepper in zone 6b
Zones 6a and 6b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Pepper needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Feb 28–Mar 7 |
|---|---|
| Direct sow / transplant outside | May 9–May 16 |
| Estimated harvest | Jul 23–Jul 30 (~75 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1.5-3 ft.
Peppers are close cousins to tomatoes in care, but slower to get going and less forgiving of a cold snap. They stall out below about 55°F, where tomatoes just slow down. That's why our planting calendar generally has peppers starting indoors even earlier than tomatoes.
How pepper fits zone 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. Pepper needs about 75 days from transplant to first harvest.
Good companions
- Basil: Reputed to repel aphids and improve pepper growth nearby, but a controlled garden trial testing this same claim on a related crop found no pest-reduction benefit from basil, and actually found higher pest counts on the basil-companioned plants — treat this pairing as unproven, not as a working pest deterrent.
- Onion: Reputed to deter many common pepper pests, though this specific pairing hasn't been tested the way onion/carrot pest-masking has — treat it as garden tradition.
Where to buy pepper seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing pepper" 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 Pepper in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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