A CTO's data-driven approach to turf โ professional-grade tools that replace guesswork with exact inputs, so every application is optimized for your lawn.
Calculate exactly how much fertilizer to apply based on your lawn size, desired N rate, and bag N%.
Get the right seed quantity for your grass type โ full overseed or touch-up, with bag suggestions.
Dilute any concentrate to the correct rate for your sprayer size. Output in fl oz, mL, or tablespoons.
Find out exactly how long to run your sprinklers to hit your weekly water target.
Calculate how much lime or sulfur to apply to correct your soil pH based on texture and target.
Enter your ZIP code to get current soil temps, 3-day and 7-day averages, and know exactly when to apply pre-emergent.