DibbleWhen to plant hot peppers in Zone 3
In Zone 3, the last spring frost usually passes around May 15 and the first fall frost arrives around September 15, leaving about 123 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Short, cool season. Start most warm crops indoors and protect from late frosts.
Planting windows for hot peppers in Zone 3
| Task | Window |
|---|---|
| Start seeds indoors | Mar 20 to Apr 3 |
| Transplant | May 29 to Jun 12 |
| Estimated harvest | Aug 17 to Oct 26 |
The harvest estimate counts 80 days to maturity, then a picking window of about 70 days. These windows use typical frost dates for Zone 3; Dibble pins them to your exact ZIP code.
Get reminders for these exact dates
Dibble turns your ZIP code into a full planting calendar and reminds you on the right day. Free to start, no account needed.
Hot Pepper in a Zone 3 season
Zone 3 gives about 123 frost-free days. Hot Pepper needs roughly 80 days from transplant. That leaves about 43 days of slack, enough for one full crop with a little room for a cold spring.
How to grow hot peppers
Chilies need even more heat than sweet peppers. Start indoors 8 weeks before last frost and transplant 2 weeks after, into warm soil.
Companion plants
Good neighbors for Hot Pepper:
Better kept apart:
Hot Pepper in other zones
Not in Zone 3? Pick your zone for the same dated windows.
Keep exploring
Hot Pepper: the full growing guide · The Zone 3 planting calendar · Every crop and zone
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.
Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.