Frost Alert
Frost forecast app for iPhone

Know tonight’s
frost risk.

Local frost alerts and plant-aware forecast guidance help you protect gardens, crops, orchards, vineyards, and nurseries before temperatures fall.

Download on the App Store See how it works
  • Tonightat a glance
  • 3 nightsplanned ahead
  • Your plantsyour threshold
Frost Alert evening and morning notifications on iPhone
Frost Alert dashboard showing severe, watch, and safe frost risk levels
Watch
Safe

Made for the people who grow

GardenersGrowersOrchardsVineyardsNurseries

A clearer local frost forecast

From forecast
to action.

Frost Alert turns each overnight forecast into a simple decision: what is at risk, when frost may arrive, and what you can do now.

01

See the risk, not the noise.

Each growing location gets a clear Safe, Watch, Frost likely, or Severe frost risk status, with the expected low and frost period shown up front.

SafeWatchFrost likelySevere
Dashboard showing frost risk across three growing locations
02

Plan three nights ahead.

Open any growing location to see the next three nights, with expected lows, frost periods, and risk levels shown together.

Expanded Queenstown location showing a three-night frost outlook
03

Local alerts before frost.

Evening and morning frost alerts help you act before frost or freezing temperatures threaten sensitive plants or crops.

Local frost alert notifications on iPhone
04

Tuned to what you grow.

Edit each location to choose hardy, sensitive, very sensitive, or custom thresholds for each crop or garden area.

  • Plant-specific sensitivity
  • Practical protection steps
  • Multiple growing locations
Edit location screen showing plant sensitivity tuning
Frost Alert app icon

Cold nights, clearer decisions

Protect what
you grow.

Get a local frost forecast and protect plants before the coldest part of the night.

Download on the App Store