When to plant potato in Glasgow

In Glasgow, typical last spring frost is April 24 and typical first fall frost is November 3. Typical last spring frost: April 24. Potato in Glasgow is a good fit outdoors. The suitable growing window of 171 days covers the 70–125 days this plant usually needs.

Potato

How to grow Potato Glasgow climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Comfortable in a cold frame

Potato in Glasgow is a good fit outdoors. The suitable growing window of 171 days covers the 70–125 days this plant usually needs.

When to plantApril 18 – July 12

Harvest: June 27 – November 18
Season vs crop: 171 grow days vs 70–125 needed
Typical frost (last spring – first fall): April 24 – November 3

Potato in Glasgow is a good fit outdoors. The suitable growing window of 171 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 row171

Days to harvest70–125 days from planting

Apr 18 – Jul 12

Direct sow

Jun 27 – Nov 18

Harvest

Activity	Window	Notes
Direct sow	Apr 18 – Jul 12	Plant outdoors in this window.
Harvest	Jun 27 – Nov 18	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 frostApril 24

Low-risk last spring frostMay 16

Typical first fall frostNovember 3

Low-risk first fall frostOctober 11

Frost-free days192

Outdoor sow dateApril 18

Direct sow windowApril 18 – July 12

Suitable growing windowApril 18 – October 5 (171 days)

Expected harvestJune 27 – November 18

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 Glasgow, 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 Glasgow

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 Glasgow use ERA5-Land cell 55.86, -4.25. How we calculated this · Algorithm 2026-10-season-10.

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