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When to plant peas in Hiroshima: 19 March – 12 September

In Hiroshima, peas: sow straight into the bed from 19 March to 12 September.

Peas in Hiroshima: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (9 April); the top 7 cm of soil has reached its minimum of 4 °C by then (around 21 January).

Last spring frost9 April
Top 7 cm of soil at 4 °C21 January, 78 days before the last frost
First autumn frost25 November, 251 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window1 June – 25 November
Days left for picking177
Daylight12:04 on 19 March
Watering outdoors when fruiting (card)every 3 days; the driest month, November, has 6 rainy days

Peas in Hiroshima: care after planting

Planted on 19 March: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Hiroshima during the peas season

About 1553 mm of rain falls in the season; November is the driest month (62 mm) and July the wettest (290 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
March12.11.91181011:56
April16.76.41531013:02
May20.7111461013:57
June2415.72391514:26
July27.820.72901614:15
August29.721.62161513:28
September26182191512:25
October20.411.2110911:22
November14.74.962610:23

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

All the nearest cities on our list plant peas earlier than Hiroshima; the closest date is in Kyoto, 18 days earlier.

CityDistanceDateDifference
Okayama138 km27 February – 2 October20 days earlier
Kitakyushu155 kmfrom 27 January51 days earlier
Fukuoka209 km4 February – 8 October43 days earlier
Kumamoto239 km25 February – 20 September22 days earlier
Osaka281 km21 February – 4 October26 days earlier
Kyoto311 km1 March – 24 September18 days earlier

Where to buy peas seeds in Hiroshima

Seeds go straight into the bed from 19 March to 12 September; buy them before that. Within 15 km of Hiroshima OpenStreetMap lists 2 garden centres, 2 farm-supply shops, 3 markets and 2 farm shops (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 Hiroshima?

In Hiroshima, peas: sow straight into the bed from 19 March to 12 September.

When is the last spring frost in Hiroshima?

Last spring frost around 9 April, first autumn frost around 25 November.

Other crops in Hiroshima, with their dates