Chile de Árbol Pepper in Zone 6a & 6b
Capsicum annuum
Yes, chile de árbol pepper grows in zones 6a and 6b. Start seeds indoors Feb 28–Mar 7 and plant out May 9–May 16.
When to plant chile de árbol pepper in zone 6b
Zones 6a and 6b share the same average frost dates, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. It 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 | Aug 2–Aug 9 (~85 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.
Plant alongside it in zone 6b
These go outside within two weeks of chile de árbol pepper in zone 6b, so one planting day can cover them.
- Bell PepperMay 9–May 16
- 7 Pot Douglah Pepper (Chocolate 7 Pot)May 9–May 16
- 7 Pot Primo PepperMay 9–May 16
- Aji Amarillo PepperMay 9–May 16
- Anaheim Pepper (New Mexico, Hatch)May 9–May 16
- Carolina Reaper PepperMay 9–May 16
Chile de árbol is a slender, hot Mexican chile, usually used dried and ground or toasted whole into salsas.
How chile de árbol pepper fits zone 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. Chile de árbol pepper needs about 85 days from transplant to first harvest.
Chile de Árbol Pepper planting windows in every zone
Zone 6b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Harvest |
|---|---|---|---|
| 3a & 3b | Apr 4–Apr 11 | Jun 13–Jun 20 | Sep 6–Sep 13 |
| 4a & 4b | Mar 20–Mar 27 | May 29–Jun 5 | Aug 22–Aug 29 |
| 5a & 5b | Mar 15–Mar 22 | May 24–May 31 | Aug 17–Aug 24 |
| 6a & 6b (your zone) | Feb 28–Mar 7 | May 9–May 16 | Aug 2–Aug 9 |
| 7a & 7b | Feb 13–Feb 20 | Apr 24–May 1 | Jul 18–Jul 25 |
| 8a & 8b | Jan 28–Feb 4 | Apr 8–Apr 15 | Jul 2–Jul 9 |
| 9a & 9b | Dec 21–Dec 28 | Mar 1–Mar 8 | May 25–Jun 1 |
| 10a & 10bSpring window | Dec–Feb | Feb–Apr | ~85 days after transplanting |
| Summer window | May–Jul | Jul–Sep | ~85 days after transplanting |
| 11a & 11bSummer window | Jun–Dec | Aug–Feb | ~85 days after transplanting |
Harvest dates are about 85 days after the sow or plant-out date, not after starting seeds indoors.
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 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 chile de árbol pepper seeds
None of the seed suppliers we list carries chile de árbol pepper seeds right now. A local garden center or a specialty seed house is the place to look.
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing chile de árbol 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 · Plan your beds in the Garden Designer →
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Growing Chile de Árbol Pepper in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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