USDA Zone 7b — Garden & Frost Dates for Carson City, NV (89705)
This is the local garden report for ZIP code 89705 (Carson City, NV). It pairs the official USDA 2023 hardiness zone with NOAA-based frost dates so you can plan seeds, transplants, and fall crops with real numbers for your neighborhood.
What does zone 7b mean for Carson City?
Zone 7b is the USDA Plant Hardiness Zone for ZIP 89705, based on the 30-year (1991-2020) average annual extreme minimum winter temperature. Perennial plants labeled for zone 7b or lower should survive a typical winter here. The last spring frost averages 05-08 and the first fall frost averages 09-28, giving roughly 143 frost-free growing days — the window that most vegetables need to go from seed to harvest.
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