When to plant potato in Los Angeles

In Los Angeles, typical last spring frost is January 15 and typical first fall frost is January 1. Typical last spring frost: January 15. Potato in Los Angeles is a good fit outdoors. The suitable growing window of 166 days covers the 70–125 days this plant usually needs.

Potato

How to grow Potato Los Angeles climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Comfortable in a cold frame

Potato in Los Angeles is a good fit outdoors. The suitable growing window of 166 days covers the 70–125 days this plant usually needs.

When to plantJanuary 17 – June 10

Harvest: March 28 – November 12
Season vs crop: 166 grow days vs 70–125 needed
Typical frost (last spring – first fall): January 15 – January 1

Potato in Los Angeles is a good fit outdoors. The suitable growing window of 166 days covers the 70–125 days this plant usually needs.

Planting conditions

Direct sow
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 row166

Days to harvest70–125 days from planting

Jan 17 – Jun 10

Direct sow

Mar 28 – Nov 12

Harvest

Activity	Window	Notes
Direct sow	Jan 17 – Jun 10	Plant outdoors in this window.
Harvest	Mar 28 – Nov 12	Expected harvest from typical days to harvest.

Direct sow
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 (15 – 24 °C59 – 75 °F15 – 24 °C (59 – 75 °F)) and tolerable (7 – 30 °C45 – 86 °F7 – 30 °C (45 – 86 °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 frostJanuary 15

Low-risk last spring frostFebruary 14

Typical first fall frostJanuary 1

Low-risk first fall frostDecember 19

Frost-free days350

Outdoor sow dateJanuary 17

Direct sow windowJanuary 17 – June 10

Suitable growing windowJanuary 17 – July 1 (166 days)

Expected harvestMarch 28 – November 12

How these dates are judged

Ideal conditions: Daytime air from 15 – 24 °C59 – 75 °F15 – 24 °C (59 – 75 °F).
Suitable conditions: Daytime air from 7 – 30 °C45 – 86 °F7 – 30 °C (45 – 86 °F).
Last frost and first frost: Typical spring and fall frost dates for Los Angeles, shown in the key dates.
Days to harvest: 70–125 days from planting, 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 Los Angeles

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 Los Angeles use ERA5-Land cell 34.05, -118.25. How we calculated this · Algorithm 2026-10-season-10.

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