When to plant chili pepper in Edmonton

In Edmonton, typical last spring frost is May 9 and typical first fall frost is October 4. Typical last spring frost: May 9. Chili pepper in Edmonton is not realistic outdoors: 0 suitable days are fewer than the 60 days this plant usually needs.

Chili pepper

How to grow Chili pepper Edmonton climate Weekly temperatures and windows

Where are you growing?

Not realistic outdoors

Not realistic in a cold frame

Chili pepper in Edmonton is not realistic outdoors: 0 suitable days are fewer than the 60 days this plant usually needs.

Start indoors: April 13 – April 20
Transplant outside: June 15 – June 22
Harvest: August 14 – September 17
Season vs crop: 0 grow days vs 60–100 needed
Typical frost (last spring – first fall): May 9 – October 4

Chili pepper in Edmonton is not realistic outdoors: 0 suitable days are fewer than the 60 days this plant usually needs.

Cover methods on this page (fleece, cold frame, unheated greenhouse) do not add enough season for this crop here. Pick another plant from the list below, or use a heated greenhouse.

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 row0

Days to harvest60–100 days from transplant

No planting window is recorded for this place.

Too cold
Frost line

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 frostMay 9

Low-risk last spring frostMay 22

Typical first fall frostOctober 4

Low-risk first fall frostSeptember 17

Frost-free days147

Earliest indoor seed startApril 13

Latest indoor seed startApril 20

Transplant outdoorsJune 15 – June 22

Direct sow windownot recommended here

Suitable growing window – (0 days)

Expected harvestAugust 14 – September 17

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 Edmonton, 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 Edmonton

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 Edmonton use ERA5-Land cell 53.55, -113.47. How we calculated this · Algorithm 2026-10-season-10.

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