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When to plant peas in Kumamoto: 25 February – 20 September

In Kumamoto, peas: sow straight into the bed from 25 February to 20 September. For seeds, the places nearby include ガーデン館 (garden centre, 12 km); addresses and opening hours are below.

Peas in Kumamoto: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (18 March); the top 7 cm of soil averages its minimum of 4 °C already in the first week of January.

Last spring frost18 March
Top 7 cm of soil at 4 °Calready in the first week of January
First autumn frost3 December, 281 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window10 May – 3 December
Days left for picking207
Daylight11:20 on 25 February
Watering outdoors when fruiting (card)every 3 days; the driest month, December, has 9 rainy days

Peas in Kumamoto: care after planting

Planted on 25 February: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Kumamoto during the peas season

About 2251 mm of rain falls in the season; December is the driest month (70 mm) and June the wettest (442 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
February11.92.21111111:01
March16.36.21611311:56
April20.610.41671212:58
May24.314.62551413:50
June27.219.34421814:18
July30.823.43811914:07
August32.323.82581713:23
September29.421.12051712:24
October24.414.81121111:24
November18.58.389910:29
December12.42.970910:00

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Kumamoto, Kagoshima is 53 days earlier and Hiroshima 22 days later.

CityDistanceDateDifference
Fukuoka92 km4 February – 8 October21 days earlier
Kitakyushu121 kmfrom 27 January29 days earlier
Kagoshima134 km3 January – 13 October53 days earlier
Hiroshima239 km19 March – 12 September22 days later
Busan305 km26 February – 9 September1 day later
Ulsan331 km1 March – 3 September4 days later

Where to buy peas seeds in Kumamoto

Seeds go straight into the bed from 25 February to 20 September; buy them before that. Within 15 km of Kumamoto OpenStreetMap lists 3 garden centres, 5 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 Kumamoto?

In Kumamoto, peas: sow straight into the bed from 25 February to 20 September.

When is the last spring frost in Kumamoto?

Last spring frost around 18 March, first autumn frost around 3 December.

Other crops in Kumamoto, with their dates