Rocoto Pepper in Zone 9a & 9b
Capsicum pubescens
Yes, rocoto pepper grows in zones 9a and 9b. Start seeds indoors Nov 23–Nov 30 and plant out Mar 1–Mar 8.
When to plant rocoto pepper in zone 9b
Zones 9a and 9b 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 | Nov 23–Nov 30 |
|---|---|
| Direct sow / transplant outside | Mar 1–Mar 8 |
| Estimated harvest | Jun 29–Jul 6 (~120 days after transplanting) |
Spacing: about 4 square feet per plant (square-foot-gardening spacing). Mature height: 3-4 ft.
Plant alongside it in zone 9b
These go outside within two weeks of rocoto pepper in zone 9b, so one planting day can cover them.
- Bell PepperMar 1–Mar 8
- 7 Pot Douglah Pepper (Chocolate 7 Pot)Mar 1–Mar 8
- 7 Pot Primo PepperMar 1–Mar 8
- Aji Amarillo PepperMar 1–Mar 8
- Anaheim Pepper (New Mexico, Hatch)Mar 1–Mar 8
- Carolina Reaper PepperMar 1–Mar 8
Rocoto is *Capsicum pubescens*, the Andean pepper with fuzzy leaves, purple flowers and black seeds. It behaves differently from every other pepper here: it prefers mild weather and grows into a woody shrub.
How rocoto pepper fits zone 9's season
Zone 9b's frost-free window runs about 293 days, from February 15 to December 5. Rocoto pepper needs about 120 days from transplant to first harvest.
Rocoto Pepper planting windows in every zone
Zone 9b 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 | Mar 7–Mar 14 | Jun 13–Jun 20 | Oct 11–Oct 18 |
| 4a & 4b | Feb 20–Feb 27 | May 29–Jun 5 | Sep 26–Oct 3 |
| 5a & 5b | Feb 15–Feb 22 | May 24–May 31 | Sep 21–Sep 28 |
| 6a & 6b | Jan 31–Feb 7 | May 9–May 16 | Sep 6–Sep 13 |
| 7a & 7b | Jan 16–Jan 23 | Apr 24–May 1 | Aug 22–Aug 29 |
| 8a & 8b | Dec 31–Jan 7 | Apr 8–Apr 15 | Aug 6–Aug 13 |
| 9a & 9b (your zone) | Nov 23–Nov 30 | Mar 1–Mar 8 | Jun 29–Jul 6 |
| 10a & 10b | Nov 7–Nov 14 | Feb 13–Feb 20 | Jun 13–Jun 20 |
| 11a & 11bSummer window | May–Nov | Aug–Feb | ~120 days after transplanting |
Harvest dates are about 120 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 rocoto pepper seeds
None of the seed suppliers we list carries rocoto 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 rocoto pepper" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 9b calendar · Plan your beds in the Garden Designer →
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Growing Rocoto Pepper in USDA zone 9b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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