Lawn care without
the guesswork.

A free app for your lawn. Weekly tasks timed to your live soil temperature and forecast, exact quantities for your lawn size, and a notification on your phone the moment your plan updates.

No app store, no download. Open it in your browser, then add it to your home screen on iPhone or Android. See how

What you unlock - always free
Personalised to your lawn. Timed to your actual conditions.
Live soil temperature
Real soil temp at root depth for your ZIP - updated daily. Get ahead of critical windows like pre-emergent and fertilization before the moment passes.
Your zone right now
62°F
Active growing
Ideal fertilization window
Weekly priority tasks
One priority action every week, plus supporting tasks with full detail - why, how, and what to avoid. Timed to your live forecast, not a generic calendar. Your phone gets a push notification the moment the new week is ready.
This week's plan
Spring Fertilization
Mow at 3.5 inches
Pre-emergent applied
Exact supply quantities
Measure your lawn with our map tool and we calculate exact bag counts and spreader settings for your size - every week, automatically.
For 16,572 sq ft
Slow-release fertilizer3.3 bags
Pre-emergent herbicide2.1 bags
Grass seed (overseed)33 lbs
Inside the app
Your full plan, one tap from your home screen.
Here's exactly what a Northeast zone sees this week. Add MyLawnWeek to your home screen and it opens like any other app - and on iPhone, that is also what switches push notifications on. Setup takes a minute.
MyLawnWeek app · Dashboard
Dashboard My Lawn Archive Guides Contact
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Good morning, Dave
Sunday, April 19 · Stony Brook, NY
Soil 62°F Air 58°F
Spring Fertilization
Soil is at 62°F - your grass is in active growth and ready to respond to fertilizer.
Soil 62°F Water manually this week
Watering restrictions Off On
0/4 tasks done
Tasks this week
Spring Fertilization
Today morning - rain activates granules for free
Mow at 3-3.5 inches
Today - dry grass only, blades sharp
Scout for crabgrass germination
This weekend - walk thin patches and hard edges
Repair dog urine spots
Any morning this week
+ Add your own task
Looking ahead
Spring Fertilization continues
You're in a stable Spring Fertilization window. Soil temps are projected to move between 59 and 62°F over the next 4 weeks.
Next shift to Lawn Repair and Overseeding expected Week of July 20 at 65°F
Your lawn
19,909 sq ft
Front lawn 10,193 sq ft
Back yard 9,716 sq ft
This week's supply quantities
Slow-Release Spring Fertilizer4 bags
Granular Pre-Emergent Herbicide4 bags
Edit measurements ›
Measure Your Lawn
Draw your lawn. Get exact numbers.

Click once around your grass. We calculate area, supply quantities, and spreader settings - automatically.

MyLawnWeek app · My Lawn
Dashboard My Lawn Archive Contact
Northeast
D
MyLawnWeek map tool
Lawn Guides
Know what to do - and when.
Practical guides written for your zone, not a generic checklist.
Seasonal Calendar
The Month-by-Month Lawn Care Schedule
Pre-emergent windows, fertilizer timing, aeration and overseeding - organized by month for cool-season lawns.
Read guide
Pre-Emergent Timing
When to Apply Pre-Emergent Herbicide
The 55°F soil temperature rule - why calendar dates fail, how to track your window, and which products work.
Read guide
Pet Safety
Pet-Safe Lawn Fertilizer: What to Use and Avoid
Ingredients dangerous to dogs and cats, products that are genuinely safe, and how long to keep pets off the lawn.
Read guide
Zone Guide
What Turfgrass Zone Are You In?
All 10 US turfgrass zones - your grass type, seasonal triggers, and the 5 mistakes zone-ignorant homeowners make.
Read guide

Stop guessing. Start knowing.

Enter your ZIP and see this week's live plan. Then add the app to your home screen - free, no card, no password required.

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