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What to plant in August in Zone 10a

In August, Zone 10a gardeners can sow for fall harvest — 4 crops have a planting task this month.

Zone 10a frost: last ~01/15, first ~12/02. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Sow for fall harvest

BroccoliSow for fall harvestCauliflowerSow for fall harvestLettuceSow for fall harvestCarrotsSow for fall harvest

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Last verified 2026-07-16. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rules: UNH Extension, Johnny's, UGA Extension.