GreenlyWhen to plant peas in Riverside: 22 December – 6 October
In Riverside, peas: sow straight into the bed from 22 December to 6 October.
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Peas in Riverside: soil, season and weather
Peas tolerates light frost and could go in three weeks before the last frost (12 January), but the top 7 cm of soil reaches its minimum of 4 °C only around 7 January, 16 days after that.
| Last spring frost | 12 January |
|---|---|
| Top 7 cm of soil at 4 °C | already in the first week of January |
| First autumn frost | 19 December, 362 days after the start |
| Days in the bed to the first harvest (card) | 74 |
| First harvest, if planted in this window | 6 March – 19 December |
| Days left for picking | 288 |
| Daylight | 9:53 on 22 December |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, June, has 0 rainy days |
Peas in Riverside: care after planting
Planted on 22 December: in the first weeks water every 6 days.
Pests and diseases of peas to watch for:
Weather in Riverside during the peas season
About 386 mm of rain falls in the season; June is the driest month (1 mm) and January the wettest (85 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| December | 20.3 | 7.8 | 69 | 5 | 9:55 |
| January | 19.4 | 7.4 | 85 | 6 | 10:08 |
| February | 20.8 | 7.6 | 66 | 6 | 10:58 |
| March | 21.5 | 9 | 67 | 9 | 11:56 |
| April | 25.8 | 11.3 | 19 | 3 | 13:01 |
| May | 27.2 | 13 | 9 | 3 | 13:55 |
| June | 31.9 | 15.4 | 1 | 0 | 14:24 |
| July | 35.1 | 18.1 | 2 | 0 | 14:13 |
| August | 35.7 | 18.9 | 6 | 1 | 13:27 |
| September | 33.6 | 17.9 | 14 | 2 | 12:25 |
| October | 29.8 | 14.6 | 13 | 3 | 11:22 |
| November | 24.8 | 10.5 | 35 | 3 | 10:25 |
ERA5 2016–2025, Open-Meteo
Peas in nearby cities
All the nearest cities on our list plant peas later than Riverside; the closest date is in Phoenix, 23 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Bakersfield | 217 km | 26 January – 1 October | 35 days later |
| Santa Barbara | 218 km | 22 February – 2 October | 62 days later |
| Ensenada | 243 km | 26 January – 1 October | 35 days later |
| Las Vegas | 321 km | 16 January – 29 September | 25 days later |
| Fresno | 378 km | 15 January – 22 September | 24 days later |
| Phoenix | 496 km | 14 January – 16 October | 23 days later |
Where to buy peas seeds in Riverside
Seeds go straight into the bed from 22 December to 6 October; buy them before that. Within 15 km of Riverside OpenStreetMap lists 4 garden centres, 30 plant nurseries, 7 markets and 10 farm shops (collected 28 October 2026).
- Gaytan Family Farm Stand — farm shop
2 km - Martinez Nursery Fruit Stand — farm shop
3 km - Raul and Family Farm Stand — farm shop
5 km - Gless Ranch — farm shop
5 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 Riverside
- Shops and markets: Riverside
- Selling a surplus in the United States
- When to plant peas in the United States
- Riverside: #9 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant peas in Riverside?
In Riverside, peas: sow straight into the bed from 22 December to 6 October.
When is the last spring frost in Riverside?
Last spring frost around 12 January, first autumn frost around 19 December.
