Plants Won't Freeze

The weather app says 37°. Your tomatoes feel 31°.

On clear, still nights the ground loses heat fast, so the air at plant height gets colder than the forecast low. Plants Won't Freeze estimates that garden low for your exact spot and sends you one note before dark: cover the tomatoes, bring the pots in, or relax.

TONIGHT AT A GLANCE • A clear verdict: no frost, close, frost, freeze or hard freeze • Your garden's low next to the weather app's number, and why they differ: clear sky, calm wind, dry air • What to do, in plain words, and the hours it gets coldest

ALERTS THAT FIT YOUR GARDEN • Pick what you grow: tender crops like tomatoes, peppers and basil; pots and tropicals; half-hardy lettuce, chard and dahlias; hardy kale and leeks; hoses, rain barrels and outdoor taps • Say whether your garden sits in a low spot, on a slope or in town • Choose your note time: every evening in frost season, or only when frost is possible • Get a late update if the forecast turns frosty after your note • See official frost and freeze warnings where your weather service issues them

KNOW YOUR SEASON • Your usual first and last frost dates, worked out from Apple Weather's climate data for your garden • Outside frost season the daily notes pause, and a surprise frost still gets a warning

FREE Every plant group, the evening note, late updates and tonight in full.

PRO • All seven nights ahead, each in detail • A heads-up a day or two before a frost, so you can plan covers • A morning note after a frosty night, with when to uncover • Alert history, with an estimate of how cold recent nights got • Your own alert threshold and thermometer offset

Pro is an auto-renewing subscription: Yearly with a free first week, or Monthly. Payment is charged to your Apple Account when you confirm the purchase, or when the free week ends. It renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it anytime in Settings › Apple Account › Subscriptions.

No account and no ads. Your garden stays on your phone.

Weather data from Apple Weather. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://plantswontfreeze.com/privacy

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