Planting Zone by ZIP Code: What Zone Am I In?
Answers: what planting zone am I in?
Frost & freeze
What frost dates and their odds mean, frost vs. freeze, and how to protect plants on a cold night.
- 3 guides
- 2 tools
- Reviewed Oct 3, 2026
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Frost Dates by ZIP Code: When Is My Last Frost?
Answers: when is my last frost?
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Climate & Zones Explainer
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What Is a Last Frost Date? What the 10%, 30%, 50% and 90% Odds Mean
A last frost date is a probability, not a deadline. What NOAA’s 10%, 30%, 50% and 90% dates mean, and a test of how often they held up at 967 airport stations.
Climate & Zones Explainer
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Frost vs. Freeze: What Each Means, the NWS Alerts and Your Growing Season
Frost is ice on surfaces; a freeze is air at 32°F or colder. NWS alerts explained, and NOAA data on how each threshold changes your growing season.
Climate & Zones Guide
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When to Cover Plants for Frost: Temperatures, Timing and City Dates
Cover tender plants at 36°F on clear, calm nights and always at 32°F; below about 28°F covers stop working. Thresholds, NWS alerts, how to cover, and fall frost dates for 24 cities.
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Seasonal reminders for your ZIP
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