When to plant peas in Osaka: 21 February – 4 October

In Osaka, peas: sow straight into the bed from 21 February to 4 October.

Peas in Osaka: soil, season and weather

Peas tolerates light frost, so it goes in three weeks before the last frost (14 March); the top 7 cm of soil averages its minimum of 4 °C already in the first week of January.

Last spring frost	14 March
Top 7 cm of soil at 4 °C	already in the first week of January
First autumn frost	17 December, 299 days after the start
Days in the bed to the first harvest (card)	74
First harvest, if planted in this window	6 May – 17 December
Days left for picking	225
Daylight	11:08 on 21 February
Watering outdoors when fruiting (card)	every 3 days; the driest month, December, has 6 rainy days

Peas in Osaka: care after planting

Planted on 21 February: in the first weeks water every 6 days.

Pests and diseases of peas to watch for:

Weather in Osaka during the peas season

About 1682 mm of rain falls in the season; December is the driest month (49 mm) and June the wettest (244 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
February	9.5	1.1	62	8	10:56
March	13.7	4.9	108	10	11:56
April	18.7	9.8	148	10	13:02
May	23	14.5	189	10	13:58
June	26.5	19.1	244	14	14:28
July	30.8	23.9	240	15	14:16
August	32.5	25.1	173	14	13:29
September	28.9	21.7	209	14	12:26
October	22.5	14.7	188	11	11:21
November	16.8	8.3	72	7	10:22
December	11.1	2.8	49	6	9:51

ERA5 2016–2025, Open-Meteo

Peas in nearby cities

Around Osaka, Hamamatsu is 18 days earlier and Hiroshima 26 days later.

City	Distance	Date	Difference
Kyoto	43 km	1 March – 24 September	8 days later
Nagoya	139 km	1 March – 27 September	8 days later
Okayama	145 km	27 February – 2 October	6 days later
Hamamatsu	204 km	3 February – 5 October	18 days earlier
Hiroshima	281 km	19 March – 12 September	26 days later
Tokyo	397 km	24 February – 1 October	3 days later

Where to buy peas seeds in Osaka

Seeds go straight into the bed from 21 February to 4 October; buy them before that. Within 15 km of Osaka OpenStreetMap lists 16 garden centres, 4 farm-supply shops, 3 plant nurseries, 19 markets and 8 farm shops (collected 28 October 2026).

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.

When to plant peas in Osaka: 21 February – 4 October

Peas in Osaka: soil, season and weather

Peas in Osaka: care after planting

Weather in Osaka during the peas season

Peas in nearby cities

Where to buy peas seeds in Osaka

Questions

When to plant peas in Osaka?

When is the last spring frost in Osaka?

Other crops in Osaka, with their dates