When to plant chili pepper in Toronto

In Toronto, typical last spring frost is April 20 and typical first fall frost is November 8. Typical last spring frost: April 20. Chili pepper in Toronto is a good fit outdoors. The suitable growing window of 105 days covers the 60–100 days this plant usually needs.

Chili pepper

How to grow Chili pepper Toronto climate Weekly temperatures and windows

Where are you growing?

Comfortable

Tight fit in greenhouse

Comfortable in a cold frame

Chili pepper in Toronto is a good fit outdoors. The suitable growing window of 105 days covers the 60–100 days this plant usually needs.

Start indoors: March 23 – April 19
Transplant outside: May 25 – June 21
Harvest: July 24 – November 1
Season vs crop: 105 grow days vs 60–100 needed
Typical frost (last spring – first fall): April 20 – November 8

Chili pepper in Toronto is a good fit outdoors. The suitable growing window of 105 days covers the 60–100 days this plant usually needs.

Planting conditions

Start indoors
Grow indoors
Harden off
Transplant outside
Grow outdoors
Harvest

Local activity windows for this place and growing method. Blue fill is usually too cold for this plant. Dashed lines are typical last and first frost.

Suitable growing days in a row105

Days to harvest60–100 days from transplant

Mar 23 – Apr 19

Start indoors

Apr 20 – May 17

Grow indoors

May 18 – May 24

Harden off

May 25

Transplant outside

May 26 – Jul 23

Grow outdoors

Jul 24 – Nov 1

Harvest

Activity	Window	Notes
Start indoors	Mar 23 – Apr 19	Sow indoors before the outdoor window.
Grow indoors	Apr 20 – May 17	Seedlings grow indoors until harden or transplant.
Harden off	May 18 – May 24	Acclimate seedlings outdoors before planting.
Transplant outside	May 25	Move plants outside on this day (start of the plant-out window).
Grow outdoors	May 26 – Jul 23	Plants grow outdoors until harvest.
Harvest	Jul 24 – Nov 1	Expected harvest from typical days to harvest.

Start indoors
Grow indoors
Harden off
Transplant outside
Grow outdoors
Harvest

Blue fill is usually too cold for this plant. Dashed lines are typical last and first frost (35 seasons (1991–2025)). Adjust a week or two for your conditions.

Planting and growing across the year

Planting is the sow / plant-out window. Growing is daytime air versus this plant’s ideal (21 – 32 °C70 – 90 °F21 – 32 °C (70 – 90 °F)) and tolerable (16 – 35 °C61 – 95 °F16 – 35 °C (61 – 95 °F)) ranges.

Ideal / plantable
Tolerable
Too cold
Too hot
Outside window

Planting uses sow / plant-out rules; growing shows daytime air against this plant’s ideal and tolerable ranges.

Key dates

Typical last spring frostApril 20

Low-risk last spring frostApril 29

Typical first fall frostNovember 8

Low-risk first fall frostNovember 1

Frost-free days201

Earliest indoor seed startMarch 23

Latest indoor seed startApril 19

Transplant outdoorsMay 25 – June 21

Direct sow windownot recommended here

Suitable growing windowMay 25 – September 6 (105 days)

Expected harvestJuly 24 – November 1

How these dates are judged

Ideal conditions: Daytime air from 21 – 32 °C70 – 90 °F21 – 32 °C (70 – 90 °F).
Suitable conditions: Daytime air from 16 – 35 °C61 – 95 °F16 – 35 °C (61 – 95 °F).
Last frost and first frost: Typical spring and fall frost dates for Toronto, shown in the key dates.
Days to harvest: 60–100 days from transplant, from typical days to harvest.
Sowing window: Dated sow and harvest bars use frost dates, soil minima, night limits, and last-sow count-back from typical crop timing. Air ratings on the weekly chart colour only weeks inside that same window — see weekly temperatures and windows.

Other plants for Toronto

Calculated by Plan & Plant. Method. Data 35 seasons (1991–2025).

Frost and suitability dates are typical figures from climate statistics.

Based on 35 years (1991–2025) of ERA5-Land data from Open-Meteo, for an area of about 10 km. Typical dates, not a guarantee.

Dates for Toronto use ERA5-Land cell 43.70, -79.40. How we calculated this · Algorithm 2026-10-season-12.

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