12b Planting calendar for zone 12b
USDA hardiness zone 12b: average annual extreme minimum 55°F to 60°F. 137 US ZIP codes fall in this zone.
A year-round growing season
Zone 12b (average annual extreme 55°F to 60°F) rarely sees a true freeze, so spring/fall frost anchoring doesn't apply. Planting here follows heat, not frost — plant cool-season crops in fall through winter, warm-season crops in spring. Detailed month calendars for no-freeze zones ship in the next update; meanwhile see the month pages.