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When to plant peas in Niigata: 15 February – 7 October

In Niigata, peas: sow straight into the bed from 15 February to 7 October.

Peas in Niigata: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (8 March); the top 7 cm of soil averages its minimum of 4 °C already in the first week of January.

Last spring frost8 March
Top 7 cm of soil at 4 °Calready in the first week of January
First autumn frost20 December, 308 days after the start
Days in the bed to the first harvest (card)74
First harvest, if planted in this window30 April – 20 December
Days left for picking234
Daylight10:47 on 15 February
Watering outdoors when fruiting (card)every 3 days; the driest month, April, has 13 rainy days

Peas in Niigata: care after planting

Planted on 15 February: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Niigata during the peas season

About 1818 mm of rain falls in the season; April is the driest month (111 mm) and December the wettest (259 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
February61.21291910:47
March10.33.81121611:54
April15.27.81111313:10
May20.7131191314:12
June24.117.91371214:47
July28.322.92191414:33
August29.924.22111413:39
September26.320.71901512:28
October19.914.31631511:16
November14.38.71681910:09
December8.43.8259269:33

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Niigata, Hamamatsu is 12 days earlier and Sendai 23 days later.

CityDistanceDateDifference
Sendai165 km10 March – 10 September23 days later
Tokyo255 km24 February – 1 October9 days later
Nagoya360 km1 March – 27 September14 days later
Hamamatsu376 km3 February – 5 October12 days earlier
Kyoto436 km1 March – 24 September14 days later
Osaka479 km21 February – 4 October6 days later

Where to buy peas seeds in Niigata

Seeds go straight into the bed from 15 February to 7 October; buy them before that. Within 15 km of Niigata OpenStreetMap lists 4 garden centres, 4 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 Niigata?

In Niigata, peas: sow straight into the bed from 15 February to 7 October.

When is the last spring frost in Niigata?

Last spring frost around 8 March, first autumn frost around 20 December.

Other crops in Niigata, with their dates