USDA Zone 6a — Garden & Frost Dates for Lincoln, NE (68501)
This is the local garden report for ZIP code 68501 (Lincoln, NE). 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 6a mean for Lincoln?
Zone 6a is the USDA Plant Hardiness Zone for ZIP 68501, based on the 30-year (1991-2020) average annual extreme minimum winter temperature. Perennial plants labeled for zone 6a or lower should survive a typical winter here. The last spring frost averages 04-20 and the first fall frost averages 10-10, giving roughly 173 frost-free growing days — the window that most vegetables need to go from seed to harvest.
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