LawnWeather

Irvine, CA Planting Calendar

Frost is rare in Irvine, so the garden calendar runs on heat instead of cold. Grow lettuce, broccoli, carrots and other cool-season crops from fall through early spring, and tomatoes, peppers and squash in late winter and spring before the summer heat, with a second round in late summer.

Tools for this season

Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon

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Frequently asked questions

When is the last frost in Irvine?

Frost does not occur in most years in Irvine (2016–2025 data).

When should I plant a vegetable garden in Irvine?

Frost is rare in Irvine, so the garden calendar runs on heat instead of cold. Grow lettuce, broccoli, carrots and other cool-season crops from fall through early spring, and tomatoes, peppers and squash in late winter and spring before the summer heat, with a second round in late summer.

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