GDU (Growing Degree Units) Calculator
Calculate Growing Degree Units (GDU) for crop development, planting decisions, and harvest timing based on temperature accumulation.
Temperature Data
Minimum temperature for growth (default: 50°F for corn)
°F
Maximum temperature for optimal growth (default: 86°F)
°F
°F
Leave blank for current date calculation
Results
Enter temperature data to calculate GDU
GDU Calculation Guidelines
What are GDUs?
- • Measure of heat accumulation for plant growth
- • Based on daily temperature averages
- • Used to predict crop development stages
- • Help determine planting and harvest timing
Common Base Temperatures
- • Corn: 50°F (10°C)
- • Soybeans: 50°F (10°C)
- • Wheat: 40°F (4.4°C)
- • Cotton: 60°F (15.6°C)