Standard weather apps check the air high up, often missing the ground-level frost that kills your plants. Enter your location to discover your local safe planting dates based on 10 years of microclimate data.
Calculations based on Open-Meteo high-resolution records (2014-2024) utilizing ground-level microclimate tracking and live topsoil metrics.
Want automatic alerts for these dates?
Download the AppThe average date is a 50/50 split. If you plant your tender seedlings on this exact date, history suggests there is still a 50% chance another frost will occur. The **My Cozy Plant app** calculates a 14-day safety buffer past the average to give you a 90%+ confidence level for your garden.
Air frost is measured 2 meters (6ft) above ground. However, cold air sinks. The ground where your seedlings live can freeze even when a standard weather app reports 3°C (37°F). Our tool specifically monitors **ground frost risk** to prevent surprise losses.
Yes. Whether you use a US Zip code, a UK Postcode, or a Canadian Postal code, we pull high-resolution data for your specific region and automatically adjust units between Celsius and Fahrenheit.