When it comes to planting peas in California, timing is crucial due to the state's diverse climate zones. Most gardeners can expect their last spring frost anywhere from January 11 in Zone 9b to February 26 in Zone 7b–8a. This variation means that planting dates will differ greatly depending on where you are located within the state.
Peas thrive in cooler temperatures, ideally ranging from 50 to 70°F, making them a classic crop to plant as soon as the soil is workable. However, timing becomes critical as temperatures rise above 80°F, which can cause the vines to decline rapidly. Understanding local frost dates helps ensure a successful harvest.
California's growing seasons can vary, influencing the overall planting and harvest windows. In cities like Los Angeles and Sacramento, you'll need to tailor your approach based on your zone's median last spring frost date, such as January 31 or February 26. With the right timing and care, peas can be one of the most rewarding crops to grow.
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 8b–9a | Not recommended — direct sow only | Not recommended — direct sow only | Start February 15 – March 1, ~6 weeks after January 31 | Harvest late April through May, about 60 days after sowing |
| Zone 7b–8a | Not recommended — direct sow only | Not recommended — direct sow only | Start March 1 – March 15, ~4 weeks after February 26 | Harvest late May through early June, approximately 60 days after sowing |
| Zone 9b | Not recommended — direct sow only | Not recommended — direct sow only | Start January 1 – January 10, ~6 weeks before January 11 | Harvest February through March, about 60 days after sowing |
If you're in a colder area, consider waiting a little longer to plant peas. Check local soil conditions to ensure it's warm enough for germination. You can indirectly encourage earlier warmth by planting cover crops or using season extenders like row covers.
Planting peas in May may be too late in much of California, as temperatures can quickly rise. Ideally, peas should be planted early in the season. If you're in a cooler coastal region, you might get a late planting in, but expect a shorter crop yield.
To minimize heat stress on your peas, provide ample water during warmer periods and use shade cloth to protect vines from extreme heat. Harvest frequently to encourage continued production during warmer weather.
Consider planting a mix of shelling, snap, and snow peas for versatility in your dishes. Each type has its own unique taste and use, making your garden both productive and delicious.
Harvest peas when the pods are plump and vibrant green, typically 60 days post-planting. For snap and snow peas, check every 2–3 days, as letting them sit too long can result in tough pods.
Typical fall sowing window for Peas in California: August 29 – September 19.