Bronx County, New York

Local growing conditions for Bronx County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 25 ZIP codes in our data.

Hardiness zones in Bronx County

Bronx County spans these USDA plant hardiness zones (by number of ZIP codes):

Zone 7 (25)

Local weather & frost dates

Open any community in Bronx County for its live forecast, frost dates, and planting calendar:

New York 10451 New York 10452 New York 10453 New York 10454 New York 10455 New York 10456 New York 10457 New York 10458 New York 10459 New York 10460 New York 10461 New York 10462 New York 10463 New York 10464 New York 10465 New York 10466 New York 10467 New York 10468 New York 10469 New York 10470 New York 10471 New York 10472 New York 10473 New York 10474

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County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.