When to plant fava bean 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. Fava bean in Glasgow is a good fit outdoors. The suitable growing window of 218 days covers the 80–110 days this plant usually needs.

Fava bean

How to grow Fava bean Glasgow climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Comfortable in a cold frame

Fava bean in Glasgow is a good fit outdoors. The suitable growing window of 218 days covers the 80–110 days this plant usually needs.

When to plantApril 4 – July 26

Harvest: June 23 – November 18
Season vs crop: 218 grow days vs 80–110 needed
Typical frost (last spring – first fall): April 24 – November 3

Fava bean in Glasgow is a good fit outdoors. The suitable growing window of 218 days covers the 80–110 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 row218

Days to harvest80–110 days from seed

Apr 4 – Jul 26

Direct sow

Jun 23 – Nov 18

Harvest

Activity	Window	Notes
Direct sow	Apr 4 – Jul 26	Plant outdoors in this window.
Harvest	Jun 23 – 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 – 21 °C59 – 70 °F15 – 21 °C (59 – 70 °F)) and tolerable (4 – 24 °C39 – 75 °F4 – 24 °C (39 – 75 °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 4

Direct sow windowApril 4 – July 26

Suitable growing windowApril 4 – November 7 (218 days)

Expected harvestJune 23 – November 18

How these dates are judged

Ideal conditions: Daytime air from 15 – 21 °C59 – 70 °F15 – 21 °C (59 – 70 °F).
Suitable conditions: Daytime air from 4 – 24 °C39 – 75 °F4 – 24 °C (39 – 75 °F).
Last frost and first frost: Typical spring and fall frost dates for Glasgow, shown in the key dates.
Days to harvest: 80–110 days from seed, 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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