GDD Tracker – Growing Degree Days (Growth Degree Days) Calculator for PGR Lawn Care
GDD Tracker helps lawn care enthusiasts and professionals optimize Plant Growth Regulator (PGR) applications using Growing Degree Days (GDD) tracking. Calculate when to reapply Primo Maxx, T-Nex, and other PGR products based on real-time weather data.
What Are Growing Degree Days?
Growing Degree Days (GDD) measure heat accumulation to predict plant growth. For lawn care, GDD tracking tells you exactly when your Plant Growth Regulator will wear off and needs reapplication — typically every 200-400 GDD depending on your grass type.
Features
- Real-time GDD tracking based on your location
- PGR reapplication alerts and reminders
- Support for cool-season and warm-season grasses
- 7-day GDD forecast
- Application history and statistics