Built for Bermuda, Zoysia, St. Augustine, and cool-season lawns
Lawn Dominator is the lawn tracker app. Run your lawn like a season.
Track fertilizer and spray logs, calculate tank mixes and fertilizer rates, monitor soil temperature and GDD, follow grass-specific calendars, and build a real treatment history without juggling Notes, spreadsheets, and labels.
170+
Products in the library
4
Major grass lanes supported
1
System for the whole season
Start here
Use the free tools, then move the full season into the app.
Every page below solves a real lawn task in the browser and points back to the app when you need saved history, product tracking, photos, and repeatable seasons.
01
Time the application
Soil temperature and GDD for pre-emergent, green-up, and PGR windows.
02Calculate the rate
Fertilizer math by lawn size and product analysis before you spread.
03Build the spray
Tank mix amounts with label and compatibility cautions visible.
04Log the result
Save a browser log, then use the app for the full permanent season record.
Bermuda schedules
Zoysia guidance
St. Augustine support
Cool-season planning
Product logging
GDD tracking
Soil temperature timing
Lawn diagnostics
Tank mix planning
Bermuda schedules
Zoysia guidance
St. Augustine support
Cool-season planning
Product logging
GDD tracking
Soil temperature timing
Lawn diagnostics
Tank mix planning
Why it hits
The app is built for people who care enough to notice the difference.
Control
You stop spraying blind.
Seasonal timing, soil temp, weather, and actual product guidance all land in one place so every move makes sense.
Memory
Your lawn finally keeps score.
Log every application, yard-work move, and photo so you know what changed, when it changed, and what worked.
Speed
Problems get diagnosed faster.
Use the diagnostic guide and product library to narrow down weeds, disease, pests, and deficiencies before damage spreads.
Core tools
Everything that makes a good lawn feel repeatable.
01
Seasonal schedule
Personalized timing for your grass type and zone, instead of random advice from five different Facebook groups.
02
Application log
Track what went down, how much you used, when you sprayed, and how your lawn responded.
03
Diagnostic guide
Pests, fungus, weeds, nutrient issues, and turf damage all get mapped into clearer next steps.
04
170+ product library
Active ingredients, rates, timing, safety notes, and trust signals so you can buy smarter and apply cleaner.
05
GDD and soil temp tracking
Weather-driven timing that makes growth regulator and pre-emergent decisions feel sharper.
Free soil temperature tracker →Free GDD calculator →
06
Tank mix planning
Build your spray stack, calculate amounts by lawn size, and log the whole move in one flow.
No account needed
Free lawn care tools — use them right now
Check soil temperature and growing degree days at your location in the browser. No download, no login.
Soil Temperature Tracker
Current soil temperature at surface, 2″, and 6″ depth for your lawn. See a 7-day trend and get pre-emergent timing guidance for bermuda, zoysia, St. Augustine, and cool-season grass.
Check soil temp at my location →GDD Calculator for Lawns
Track growing degree days from January 1 at your location. Calculate Celsius-scale GDD from any date for PGR reapplication timing, plus pre-emergent windows and bermuda or zoysia greenup.
Calculate GDD at my location →Working calculators
Do the math before you download.
These browser tools are built to capture high-intent traffic and show people why the app is worth keeping.
Fertilizer Calculator
Calculate product pounds from target nitrogen rate, lawn square footage, and bag analysis.
Open calculator →Tank Mix Calculator
Scale product rates to treated area and carrier volume before you spray.
Build a tank mix →Spray Rate Calculator
Calculate product amount, carrier gallons, and tank count from a label rate.
Calculate spray amount →Grass Seed Calculator
Estimate seed pounds for new lawns, renovations, overseeding, and thin spots.
Calculate seed needed →Irrigation Runtime Calculator
Use catch-can depth and test minutes to calculate sprinkler runtime by zone.
Calculate watering time →Spray Log
Save a browser spray log and export it, then move the permanent record into the app.
Open spray log →Treatment Tracker
Log fertilizer, herbicide, fungicide, insecticide, PGR, and notes in one place.
Track a treatment →Interactive calendars
Pick the grass, then work the season.
Bermuda Calendar
Warm-season timing for green-up, pre-emergent, fertilizer, summer growth, and fall transition.
Open Bermuda calendar →Zoysia Calendar
Conservative zoysia timing with spring green-up and disease-aware checkpoints.
Open zoysia calendar →St. Augustine Calendar
Timing notes for sensitive turf, pre-emergent, fertility, insects, and disease pressure.
Open St. Augustine calendar →Cool-Season Calendar
Spring and fall growth windows for tall fescue, bluegrass, and fine fescue lawns.
Open cool-season calendar →Research-backed timing guides
Lawn timing pages built from extension guidance
Use university-backed timing signals for crabgrass prevention, soil temperature, warm-season green-up, and PGR reapplication.
Crabgrass Pre-Emergent Soil Temperature
Use the 55°F soil-temperature window and extension guidance to time spring pre-emergent before crabgrass germinates.
Read the timing guide →Bermuda Grass Soil Temperature
Use soil temperature, green-up, and local weather to time Bermuda spring work without pushing dormant turf too early.
Read the Bermuda guide →Zoysia Soil Temperature
Track zoysia green-up, pre-emergent timing, fertility windows, and disease-aware soil temperature cues.
Read the zoysia guide →St. Augustine Soil Temperature
Use soil temperature and green-up signals while accounting for St. Augustine herbicide and disease sensitivity.
Read the St. Augustine guide →Bermuda Grass GDD Green-Up
Use growing degree days as a heat-accumulation trend alongside soil temperature and visual green-up.
Read the GDD guide →Primo Maxx GDD Calculator
Track trinexapac-ethyl reapplication timing with GDD from your last PGR application date.
Read the PGR guide →Lawn Care Calendar Hub
Choose Bermuda, zoysia, St. Augustine, or cool-season timing and adjust the plan with soil temperature and GDD.
Open the calendar hub →Lawn Fertilizer Calculator
Use nitrogen rate math, lawn square footage, and product analysis to calculate fertilizer applications accurately.
Read the calculator guide →Tank Mix Calculator
Plan lawn spray mixes with label cautions, compatibility checks, carrier volume, and application logging.
Read the tank mix guide →Lawn Spray Rate Calculator
Scale herbicide, fungicide, insecticide, PGR, or foliar feed rates to your treated square footage.
Open spray calculator →Grass Seed Calculator
Calculate seed by grass type, project type, bag size, and measured lawn area.
Open seed calculator →Irrigation Runtime Calculator
Turn a catch-can test into a real sprinkler runtime instead of guessing from controller minutes.
Open watering calculator →From chaos to control
One season. Three moves.
Diagnose what you are actually seeing
Thin turf, weeds, disease pressure, bugs, off-color growth. Stop guessing and stop throwing down the wrong product.
Pick the right product and rate
Use the library, calculator, and trust notes to match the chemistry to the problem and the lawn size to the rate.
Track results and tighten the program
Log treatments, monitor weather-driven windows, and build a cleaner season the longer you use it.
What people remember
It turns lawn care into a repeatable system instead of a guessing game.
The hook is not just information. It is momentum. The app feels like a field manual, a treatment log, and a competitive edge all at once.
170+
Products organized for actual use
6
Products in a tank mix plan
4
Grass lanes with tailored guidance
Download
Ready to track your lawn the right way?
Install Lawn Dominator on iPhone or Android and build a real lawn program in minutes.
FAQ
What people search before they install.
What does Lawn Dominator help you track?
Lawn Dominator helps you track fertilizer, herbicide, fungicide, insecticide, and PGR applications, plus soil temperature, GDD, weather-aware spray timing, diagnostics, and tank mixes.
Who is Lawn Dominator for?
It is built for serious DIY lawn care users who want one place to run a Bermuda, Zoysia, St. Augustine, or cool-season lawn program without relying on Notes or spreadsheets.
Does Lawn Dominator work for soil temperature and GDD tracking?
Yes. The app includes soil temperature tracking and growing degree day tracking to help with pre-emergent timing, PGR reapplication windows, and other seasonal lawn decisions. PGR GDD is tracked in Celsius-scale GDD: cool-season trinexapac sessions use a 0°C base, and warm-season trinexapac sessions use a 10°C base.
Is there a free soil temperature tracker for lawn care?
Yes. Lawn Dominator offers a free browser-based soil temperature tracker at lawndominators.com/soil-temperature.html — no account or app download required. It shows current soil temperature at surface, 2-inch, and 6-inch depth with a 7-day trend and pre-emergent timing guidance for bermuda, zoysia, St. Augustine, and cool-season grass.
Is there a free GDD calculator for lawns?
Yes. Lawn Dominator offers a free growing degree day (GDD) calculator at lawndominators.com/gdd-tracker.html — no account required. It shows seasonal GDD accumulation from January 1, lets you calculate Celsius-scale GDD from any date for PGR reapplication timing, and shows pre-emergent and greenup milestones for bermuda, zoysia, St. Augustine, and cool-season grass.