When to plant chili pepper in Baltimore

In Baltimore, typical last spring frost is April 1 and typical first fall frost is November 13. Typical last spring frost: April 1. Chili pepper in Baltimore is a good fit outdoors. The suitable growing window of 142 days covers the 60–100 days this plant usually needs.

Chili pepper

How to grow Chili pepper Baltimore climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Comfortable in a cold frame

Chili pepper in Baltimore is a good fit outdoors. The suitable growing window of 142 days covers the 60–100 days this plant usually needs.

Start indoors: February 27 – April 22
Transplant outside: May 1 – June 24
Harvest: June 30 – November 4
Season vs crop: 142 grow days vs 60–100 needed
Typical frost (last spring – first fall): April 1 – November 13

Chili pepper in Baltimore is a good fit outdoors. The suitable growing window of 142 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 row142

Days to harvest60–100 days from transplant

Feb 27 – Apr 22

Start indoors

April 23

Grow indoors

Apr 24 – Apr 30

Harden off

May 1

Transplant outside

May 2 – Jun 29

Grow outdoors

Jun 30 – Nov 4

Harvest

Activity	Window	Notes
Start indoors	Feb 27 – Apr 22	Sow indoors before the outdoor window.
Grow indoors	April 23	Seedlings grow indoors until harden or transplant.
Harden off	Apr 24 – Apr 30	Acclimate seedlings outdoors before planting.
Transplant outside	May 1	Move plants outside on this day (start of the plant-out window).
Grow outdoors	May 2 – Jun 29	Plants grow outdoors until harvest.
Harvest	Jun 30 – Nov 4	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 1

Low-risk last spring frostApril 11

Typical first fall frostNovember 13

Low-risk first fall frostNovember 4

Frost-free days225

Earliest indoor seed startFebruary 27

Latest indoor seed startApril 22

Transplant outdoorsMay 1 – June 24

Direct sow windownot recommended here

Suitable growing windowMay 1 – September 19 (142 days)

Expected harvestJune 30 – November 4

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 Baltimore, 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 Baltimore

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 Baltimore use ERA5-Land cell 39.29, -76.61. How we calculated this · Algorithm 2026-10-season-10.

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