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When to plant peas in Ulsan: 1 March – 3 September

In Ulsan, peas: sow straight into the bed from 1 March to 3 September. For seeds, the places nearby include 조운어바웃플랜츠 (garden centre, 12 km); addresses and opening hours are below.

Peas in Ulsan: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (22 March); the top 7 cm of soil has reached its minimum of 4 °C by then (around 27 January).

Last spring frost22 March
Top 7 cm of soil at 4 °C27 January, 54 days before the last frost
First autumn frost16 November, 260 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window14 May – 16 November
Days left for picking186
Daylight11:24 on 1 March
Watering outdoors when fruiting (card)every 3 days; the driest month, November, has 4 rainy days

Peas in Ulsan: care after planting

Planted on 1 March: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Ulsan during the peas season

About 1396 mm of rain falls in the season; November is the driest month (37 mm) and September the wettest (268 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
March13.4393811:55
April18.17.8104813:04
May22.612.5112914:02
June25.917.41801114:33
July28.922.32661614:21
August29.722.92161613:32
September2518.62681612:26
October2011.8120911:20
November14.74.337410:19

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Ulsan, Kitakyushu is 33 days earlier and Daejeon 10 days later.

CityDistanceDateDifference
Busan47 km26 February – 9 September3 days earlier
Daegu74 km26 February – 8 September3 days earlier
Daejeon195 km11 March – 30 August10 days later
Jeonju198 km6 March – 4 September5 days later
Gwangju228 km11 March – 10 September10 days later
Kitakyushu234 kmfrom 27 January33 days earlier

Where to buy peas seeds in Ulsan

Seeds go straight into the bed from 1 March to 3 September; buy them before that. Within 15 km of Ulsan OpenStreetMap lists 1 garden centre, 8 markets and 1 farm shop (collected 28 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 Ulsan?

In Ulsan, peas: sow straight into the bed from 1 March to 3 September.

When is the last spring frost in Ulsan?

Last spring frost around 22 March, first autumn frost around 16 November.

Other crops in Ulsan, with their dates