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When to plant peas in Pittsburgh: 29 March – 27 August

In Pittsburgh, peas: sow straight into the bed from 29 March to 27 August.

Peas in Pittsburgh: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (19 April); the top 7 cm of soil has reached its minimum of 4 °C by then (around 16 February).

Last spring frost19 April
Top 7 cm of soil at 4 °C16 February, 62 days before the last frost
First autumn frost9 November, 225 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window11 June – 9 November
Days left for picking151
Daylight12:31 on 29 March
Watering outdoors when fruiting (card)every 3 days; the driest month, November, has 10 rainy days

Peas in Pittsburgh: care after planting

Planted on 29 March: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Pittsburgh during the peas season

About 1073 mm of rain falls in the season; November is the driest month (79 mm) and June the wettest (158 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
March11.40.51061311:53
April16.65.21261513:16
May21.4111521614:25
June26.115.91581615:03
July28.718.61221514:48
August27.517.71141413:48
September24.714.61031112:30
October18.28.81131111:11
November10.6279109:58

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Pittsburgh, Hagerstown is 15 days earlier and Columbus 3 days later.

CityDistanceDateDifference
Cleveland185 km19 March – 8 September10 days earlier
Erie188 km20 March – 6 September9 days earlier
Hagerstown213 km14 March – 29 August15 days earlier
Columbus260 km1 April – 20 August3 days later
Harrisburg265 km20 March – 29 August9 days earlier
Charleston, West Virginia271 km20 March – 25 August9 days earlier

Where to buy peas seeds in Pittsburgh

Seeds go straight into the bed from 29 March to 27 August; buy them before that. Within 15 km of Pittsburgh OpenStreetMap lists 11 garden centres, 4 plant nurseries, 23 markets and 4 farm shops (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.

Questions

When to plant peas in Pittsburgh?

In Pittsburgh, peas: sow straight into the bed from 29 March to 27 August.

When is the last spring frost in Pittsburgh?

Last spring frost around 19 April, first autumn frost around 9 November.

Other crops in Pittsburgh, with their dates