Tools
Each tool reads the same NOAA climate records and catalog fields as the rest of the site, so a figure here never disagrees with the page it came from.
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Last frost dates by ZIP code and state
Look up the average last spring frost date for your ZIP code or the weather station nearest you, from NOAA's 1991–2020 climate normals, with a safe date for tender seedlings.
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First frost dates by ZIP code and state
Look up the average first fall frost date for your ZIP code or the weather station nearest you, from NOAA's 1991–2020 climate normals, with the length of your frost-free season.
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When to plant tulip and daffodil bulbs by ZIP
Enter your ZIP code for when to plant tulip, daffodil and peony bulbs before your first frost, whether to pre-chill tulips, and when to dig up dahlias.
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When to plant zinnia and sunflower seeds by ZIP
Enter your ZIP code for the date to sow zinnia and sunflower seeds and plant dahlia tubers, plus when to start zinnias indoors and when they flower.