GreenlyWhen to plant peas in Southampton: 14 March – 10 September
In Southampton, peas: sow straight into the bed from 14 March to 10 September.
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Peas in Southampton: soil, season and weather
Peas tolerates light frost, so it goes in three weeks before the last frost (4 April); the top 7 cm of soil averages its minimum of 4 °C already in the first week of January.
| Last spring frost | 4 April |
|---|---|
| Top 7 cm of soil at 4 °C | already in the first week of January |
| First autumn frost | 23 November, 254 days after the start |
| Days in the bed to the first harvest (card) | 74 |
| First harvest, if planted in this window | 27 May – 23 November |
| Days left for picking | 180 |
| Daylight | 11:45 on 14 March |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, April, has 9 rainy days |
Peas in Southampton: care after planting
Planted on 14 March: in the first weeks water every 6 days.
Pests and diseases of peas to watch for:
Weather in Southampton during the peas season
About 616 mm of rain falls in the season; April is the driest month (49 mm) and October the wettest (100 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| March | 11 | 3.8 | 73 | 13 | 11:49 |
| April | 13.8 | 4.9 | 49 | 9 | 13:48 |
| May | 17.4 | 8.2 | 62 | 11 | 15:30 |
| June | 20.5 | 11.5 | 59 | 11 | 16:30 |
| July | 22.3 | 13.5 | 54 | 10 | 16:06 |
| August | 21.8 | 13.3 | 60 | 10 | 14:36 |
| September | 19.2 | 11.2 | 73 | 11 | 12:42 |
| October | 15.4 | 8.8 | 100 | 13 | 10:47 |
| November | 11.1 | 5.2 | 86 | 13 | 8:58 |
ERA5 2016–2025, Open-Meteo
Peas in nearby cities
Around Southampton, Brighton is 55 days earlier and Bristol 7 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Portsmouth | 24 km | 11 February – 18 September | 31 days earlier |
| Brighton | 89 km | 18 January – 18 September | 55 days earlier |
| Oxford | 95 km | 13 March – 10 September | 1 day earlier |
| Bristol | 103 km | 21 March – 9 September | 7 days later |
| London | 111 km | 14 March – 10 September | same day |
| Cardiff | 140 km | 4 March – 9 September | 10 days earlier |
Where to buy peas seeds in Southampton
Seeds go straight into the bed from 14 March to 10 September; buy them before that. Within 15 km of Southampton OpenStreetMap lists 28 garden centres, 15 plant nurseries, 1 market and 10 farm shops (collected 20 October 2026).
- Hillier Nurseries Brentry — plant nursery
13 km - Pococks Roses — plant nursery
13 km - Hillier Nurseries Sandy Lane — plant nursery
13 km - Compton Nursery — plant nursery
13 km
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.
- How to grow peas
- All frost dates and weather of Southampton
- Shops and markets: Southampton
- Selling a surplus in the United Kingdom
- When to plant peas in the United Kingdom
- Southampton: #324 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant peas in Southampton?
In Southampton, peas: sow straight into the bed from 14 March to 10 September.
When is the last spring frost in Southampton?
Last spring frost around 4 April, first autumn frost around 23 November.
