When to plant parsley in Leeds

In Leeds, typical last spring frost is April 18 and typical first fall frost is November 17. Typical last spring frost: April 18. Parsley in Leeds is a good fit outdoors. The suitable growing window of 222 days covers the 70–80 days this plant usually needs.

Parsley

How to grow Parsley Leeds climate Weekly temperatures and windows

Where are you growing?

Comfortable

Comfortable in greenhouse

Tight fit in a cold frame

Parsley in Leeds is a good fit outdoors. The suitable growing window of 222 days covers the 70–80 days this plant usually needs.

When to plantApril 12 – June 6

Harvest: June 21 – August 25
Season vs crop: 222 grow days vs 70–80 needed
Typical frost (last spring – first fall): April 18 – November 17

Parsley in Leeds is a good fit outdoors. The suitable growing window of 222 days covers the 70–80 days this plant usually needs.

Planting conditions

Direct sow
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 row222

Days to harvest70–80 days from seed

Apr 12 – Jun 6

Direct sow

Jun 7 – Jun 20

Grow outdoors

Jun 21 – Aug 25

Harvest

Activity	Window	Notes
Direct sow	Apr 12 – Jun 6	Plant outdoors in this window.
Grow outdoors	Jun 7 – Jun 20	Plants grow outdoors until harvest.
Harvest	Jun 21 – Aug 25	Expected harvest from typical days to harvest.

Direct sow
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 (15 – 21 °C59 – 70 °F15 – 21 °C (59 – 70 °F)) and tolerable (4 – 27 °C39 – 81 °F4 – 27 °C (39 – 81 °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 18

Low-risk last spring frostMay 10

Typical first fall frostNovember 17

Low-risk first fall frostOctober 21

Frost-free days212

Outdoor sow dateApril 12

Direct sow windowApril 12 – June 6

Suitable growing windowApril 12 – November 19 (222 days)

Expected harvestJune 21 – August 25

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 – 27 °C39 – 81 °F4 – 27 °C (39 – 81 °F).
Last frost and first frost: Typical spring and fall frost dates for Leeds, shown in the key dates.
Days to harvest: 70–80 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 Leeds

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 Leeds use ERA5-Land cell 53.80, -1.55. How we calculated this · Algorithm 2026-10-season-10.

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