The blog
Lawn care, with the weather data behind it.
August 12, 2026
When does grass start growing across the US? What 11 cities of backtesting found
Checked against an independent US phenology dataset, 7 of 11 cities show a consistent pattern right away — and where 4 don't, the raw soil-temperature data explains exactly why.
August 12, 2026
5 real US droughts, reconstructed from nothing but soil physics
Ranking backtest years by drought-stress numbers alone surfaces five real, named US droughts across all 12 covered cities — the model was never told which years to look for.