Weather translated into a decision
Garden decision tools
Five transparent calculators using local forecast or archive data. Each one shows its method, limitations and data source.
Frost date estimator
Historical frost observations, the estimated growing season and the next 48-hour frost signal.
Open for London →Garden spray window
Screen the next 48 hours for wind, gusts, rain and temperature before checking the product label.
Open for London →Growing degree-day tracker
Accumulate seasonal warmth above a visible base temperature and compare it with the coming week.
Open for London →Winter chill-hour tracker
Count completed-season hours in a simple 0–7.2°C model for deciduous fruit planning.
Open for London →Pollinator activity calendar
Find calmer, drier, warmer daytime periods when pollinator activity is more likely.
Open for London →Want to inspect the formulas and uncertainty? Read the methodology.