Jacobs Turf Atlanta — Soil-First Lawn Care in Atlanta, GA
Jacobs Turf
Atlanta, GA
Natural Solutions · Superior Turf
Atlanta, GA · Organic Lawn Care Program

Organic lawn care, built on your soil test.

Georgia red clay doesn't answer to the same program every yard gets. We test your soil first — pH, nutrients, organic matter — then build the season around what's actually there. The soil test is where it starts.

Get Your Soil Tested
Real result Brookhaven · 2× topdressing + botanical spray / yr
◦ UGA TURFGRASS MGMT◦ ATLANTA UNITED FC◦ ATLANTA FALCONS
★★★★★"He really knows how to make a lawn thrive."

Where to start this summer

Late July isn't seeding season. But it's the right time to test your soil so the fall plan writes itself — and to get ahead of mosquitoes while they're at their worst.

Start here · year-round

Test your soil first

Everything we do starts here. A soil test gives you the real numbers — pH, CEC, what's actually short — and a consult to turn them into a plan. Do it now and the results become your fall roadmap instead of a guess.

Soil test $95–135 · consult $75–150 (credited toward work)
In season now · Mar–Oct

Mosquito control, targeted.

Late July is peak season, and it takes two pieces working as one system. The botanical spray goes on the shady, humid spots where adult mosquitoes hide out during the day — that's what drops the ones biting you this week. The In2Care stations handle the next generation, killing larvae in the standing water you'd never find on your own. The spray buys relief now; the stations stop the population from rebuilding. Run together, control keeps climbing all season.

Billed monthly · from $55/mo per station

Aeration & Seeding

Double-direction core aeration, a layer of our screened compost, and a heat-bred seed blend built for Georgia clay — the fall reset for a cool-season lawn. It runs September into late November; reach out toward the end of summer to get on the calendar.

★★★★★

"This is not just another guy with a lawn mower — he really knows how to make a lawn thrive."

— Yelp review · Aeration & Seeding
Soil Profile · #GA-014
VIEW
0″
2″
4″
6″
8″
10″
N CYCLE
NH₃↑
org-N
↓ mineralize
NH₄⁺
↓ nitrify
NO₃⁻
↑ uptake
↓ leach
N₂↑
CATION EXCHANGE
clay⁻ / humus
Ca²⁺
K⁺
Mg²⁺
⇌ exchange
H⁺
PHOSPHORUS
Al³⁺·PO₄³⁻
locked (fixed)
Fe·PO₄
pH↑ frees P
PO₄³⁻
ORGANIC MATTER
CO₂↑
CO₂↑
residue
microbes → humus
humus · CEC↑
ACIDITY & LIME
CaCO₃
CO₂↑
Ca²⁺
H⁺/Al³⁺
pH 5.8 → 6.4
WATER
perched on clay
THATCH
0–0.5″
TOPSOIL · O/A
0.5–6″ · roots
GA RED CLAY
6″ +
ROOT ZONE
Reaction
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pH
5.8
TEXTURE
Clay loam
OM
2.1%
CEC
11.4
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JT
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The Method

We read your soil before we touch your lawn.

Georgia clay compacts, holds water, and has its own nutrient story. A generic five-step program ignores all of that. We test first, treat second — and sometimes the honest answer is that your lawn is fine.

What we do
Lab soil test before any treatment
Nutrients matched to your numbers
Plans built for Georgia clay
What we skip
Generic five-step programs
Blanket-spraying the whole yard
Lime "just because it's clay"
Field Notes · The Blog

Straight talk on soil, from the dirt up.

Short, honest reads on why your lawn does what it does — the lime myth, what CEC actually means, and the science behind the work. Relaunching soon with new pieces.

What we do

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Interactive Tool

Measure your lawn

Type your address, then click your way around the edge of the grass and click the first pin again to close it. Got a front and a back? Close the first shape and start clicking the next one — they add together, as many as you need. You get real square footage off satellite imagery. Send the measurements over and your price comes back on this screen — no phone tag, no “we’ll get back to you.”

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Looking…
Couldn’t find that one. Try the full thing — number, street, city, state.
Metro Atlanta addresses. Pick from the list, or hit Find to search what you typed.
Drawing:
Lawn
Cut out
Undo point
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Clear
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Done outlining? Click the first pin to close it
or press Enter · Backspace undoes a point · Esc starts over
Click corner to corner around the grass, then click the first pin (or press Enter) to close the shape. Drag any pin to fine-tune, then just start clicking the next patch — front, back, side, they add together. Use Cut out only for something sitting inside a shape that isn’t grass — an island bed, a pool, a patio. Zoom with + / –.
Find the address first — then I know which lot to pull.
No lot line came back for that spot. We read Fulton, Cobb, DeKalb, and Gwinnett records — outside those, or on a brand-new subdivision, trace it by eye and we’ll confirm on site.
Lawn area
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sq ft
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Whole property, house and drive included — shown so you can see your boundary. The estimate only counts grass you trace.
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×
Drag the dots on the map to nudge that shape’s corners. Click the row again to put them away.
or type it:
Select services
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No list, no spam — this goes straight to Will.
Estimated total
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The form didn’t go through, so I opened your email app with everything filled in — hit send and it reaches Will.
Got it — your numbers are with Will. Expect a real quote after a look at the property and a soil test.
Before you compare prices

Why ours isn't the $99 aeration & seed.

You'll see aerate-and-overseed advertised cheap all over Atlanta. That's a single quick pass and a bag of boring fescue scattered on hard clay — it looks green for a month, then thins out by summer because nothing underneath changed. You pay for it again next year.

Ours is a different job: double-direction aeration to really open the soil, a real layer of screened compost, and a custom heat-bred blend (with optional mini-clover) worked into open ground. It roots, it takes, and it keeps getting better season over season instead of resetting every fall. That's what the price reflects — and why it's cheaper in the long run.

The cheap version
One aeration pass · bagged fescue · no compost · gone by July
Ours
Double aeration · screened compost · custom heat-bred blend · roots & compounds

From the drone log

Before
After · ~1 month
Virginia-Highland · a thin, patchy full-sun lawn brought back thick with a double aeration and our nutrient-rich compost & sand topdressing — this is about a month later.
After · ~1 month
Ground level · compost & sand topdressing
Same yard from the driveway — thick, deep, and even right up to the walkway.
What clients say
★★★★★
“This is not just another guy with a lawn mower — he really knows how to make a lawn thrive.”

“Will suggested reseeding with a blend of hybrid bluegrass, creeping fescue and mini clover… They did a comprehensive job of mechanical aeration, graded where needed, and applied the seed along with an organic growth-promoting solution. The yard has never looked better, and I feel the value received was well worth the cost.”

— Yelp review · Aeration & Seeding
Mosquito Control · Recurring, Mar–Oct

Fewer mosquitoes. Gentler on your garden.

Adult mosquitoes rest out the day in dense, humid shade — so that is where our botanical barrier spray goes, placed on the harborage that is actually holding them. The actives are plant oils on EPA's 25(b) minimum-risk list, and they break down in about two weeks rather than lingering in the soil — which is why the stations run alongside them. Underneath the spray, In2Care stations let the mosquito carry a growth regulator into the breeding water you would never find.

Botanical
knock-down spray
25(b)
EPA minimum-risk list
Gentler
on pollinators
One station ≈ 4,300 sq ft
of coverage
The JT Lab

We run the experiments so your lawn isn't one.

We test products before we recommend them and log every soil sample we pull — so a recommendation is something we've watched work, not a guess off a supplier's flyer. It's also the clearest picture anyone has of what's actually under Atlanta lawns.

From our Atlanta soil-test archive
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Median pH — slightly acidic
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Came in acidic, below pH 6.0
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Median CEC — a modest nutrient tank
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Calcium deficiencies — the food's already there
Services

Everything we do, done by the numbers.

You don't buy a bundle here. You get the treatments your soil test says you need — and we'll happily talk you out of the ones it doesn't.

BEFORE
AFTER
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What's included
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Membership

The Soil Club.

A lawn is a slow experiment. The Soil Club is how we keep reading it — recurring lab tests, seasonal monitoring, and a plan that changes as your numbers do. You get the data too; it's your dirt.

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All tiers include emailed lab reports and a plain-English breakdown. Cancel any season. Treatments billed separately per the estimator.

Results

The drone doesn't lie.

Real yards around Atlanta, shot from the same spot before and after. No filters, no staging — just what the lawn looked like when we started and what it looked like when we were done.

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After · ~1 month
Ground level · compost & sand topdressing

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Try it yourself · The JT Lab

Curious what your lawn scores?

Drop a before + after drone photo into our Turf Vigor Report and get a greenness score in seconds — the same visible-light read we use to track every renovation on this page.

Open the Vigor Report →
Deep Dive · Service 02

Topdressing, explained.

Aeration and topdressing are two halves of one job. First we pull cores to break Georgia's compacted clay, opening real pathways for water, air, and roots to reach the root zone. Then we spread our blend of composted manure and sand — about a yard per 1,000 sq ft — and rake it in, finishing with Bio-Charge — our proprietary humic acid and seaweed root-and-soil spray — to feed the soil biology and get nutrient cycling moving again. It's the least glamorous thing we do and, over three seasons, the most transformative: the surface smooths out, minor high and low spots even up, and the top few inches of your soil quietly rebuild themselves into something greener, denser, and far more forgiving.

On the job
The unglamorous part, done by hand.
Watch it done
Sand

For grade & drainage

Levels out the low spots and scalp lines, and — over repeated applications — opens up Georgia's tight clay so water actually moves through it instead of pooling on top.

Composted manure

For organic matter

Raises organic matter — the single number that best predicts how forgiving your lawn will be in a July drought. More organic matter means more water held and more nutrients stored where roots can reach them.

Bio-Charge spray

For nutrient cycling

Our proprietary humic acid + seaweed root-and-soil spray, applied right along with every topdressing. It wakes up the microbes that unlock the nutrients already in your soil — so the grass keeps feeding itself long after we've packed up. An optional add-on, discounted when paired with a topdressing.

How a topdressing runs

01
Aerate
A double pass with the aerator, so the blend has plenty of open holes to settle into.
02
Spread
Composted manure and sand, about a yard per 1,000 sq ft — roughly a ton, half and half.
03
Work in
Rake and drag until it vanishes into the canopy — this is what gives you a smooth, even surface.
04
Spray
Bio-Charge — our proprietary humic acid + seaweed root-and-soil spray — applied right along with the topdressing.
05
Water
Settle it all in and let the soil biology get to work.
See it in motion
Watch real topdressings on Instagram.
A ton of process videos — aeration, spreading, the full run, start to finish.
▶ @jacobsturf on Instagram →
Under the surface

What a topdressing does to your soil chemistry.

Topdressing isn't cosmetic — it feeds the cycles that actually run your lawn. Here's the chemistry it kicks off down in the root zone.

Cation exchange · CEC

Grows the nutrient tank

Composted manure adds humus — some of the highest-CEC material in soil. Every point of organic matter you build is more negatively-charged surface gripping Ca²⁺, Mg²⁺, and K⁺ where roots can reach them.

Nitrogen cycle

Slow-release, by biology

The manure feeds soil microbes that mineralize organic matter into ammonium (NH₄⁺), then nitrify it to nitrate on the lawn's schedule — steady feeding instead of one leachy synthetic pulse.

Infiltration

Opens the clay

Coarse sand worked into aeration channels keeps tight red clay from packing back down, so water and air move down into the root zone instead of sheeting off the top.

Bio-Charge spray

Grip, painted on

Our humic-acid + seaweed spray is concentrated cation-exchange material — it coats the exchange sites and wakes the microbes that keep the whole nutrient cycle turning.

Watch it happen

A topdressing, before & after.

Will's note — This is the treatment I get genuinely excited about. It works magic on struggling lawns and makes already-good grass look flat-out unbelievable. But it's a program, not a rescue — one application won't undo a decade of compaction. Two or three, timed with aeration, will change the lawn you thought you were stuck with.
Deep Dive · Service 03

Aeration & seeding, explained.

From September into late November we rebuild lawns from the seedbed up: aerate hard, lay a bed of screened compost, and seed with a custom cool-season blend bred to shrug off Atlanta summers. Done right, in the right window, it is the single most transformative thing you can do for a lawn.

Why fall

September to late November — no sooner, no later.

Seed lives and dies by timing. Too early and the summer heat cooks it; too late and it never roots before dormancy. That fall window is when soil is still warm but the air has cooled — prime conditions for cool-season grass to germinate and establish. We plan the whole season around it.

Why twice

We aerate in both directions.

One pass pulls cores in a single grid. A second pass, run perpendicular to the first, doubles the openings and cracks Georgia clay wide open — so compost and seed reach real soil instead of sitting on thatch. That double-direction pass is why the seed actually takes.

How a seeding job runs

01
Aerate ×2
Two passes, both directions, to open the soil completely.
02
Screened compost
A layer of premium screened compost — the perfect seedbed.
03
Seed
Our custom cool-season blend, spread at the right rate.
04
Feed + clover
An organic growth promoter, plus an optional meadow + mini-clover mix.
05
Grow in
We revisit, water, and reapply while it roots and fills in.
The seed blend

Cool-season grass that acts like warm-season.

We build a custom blend around what your yard needs — think hybrid bluegrass, creeping fescue, and mini clover. Cool-season grasses give you that deep spring-and-fall green, but ours are chosen to take Atlanta's summer heat and spread to fill their own thin spots, the way warm-season turf does.

The payoff is a thick, self-repairing lawn instead of one you have to patch every year.

The meadow option

Organic fertilizer + mini clover.

For clients who want something a little wilder and lower-input, we can work in a meadow mix — an organic fertilizer blend carrying mini clover. The clover fixes its own nitrogen, feeds the soil, and knits in between the grass.

It is one of the most rewarding things we do — and it smells like real soil when you walk it.

★★★★★
“This is not just another guy with a lawn mower — he really knows how to make a lawn thrive.”

“Will suggested reseeding with a blend of hybrid bluegrass, creeping fescue and mini clover… The fescue and mini clover are up and growing very well. The bluegrass is showing up now and looks great. The yard has never looked better, and I feel the value received was well worth the cost.”

— Yelp review
Fall grow-in
New grass coming in thick as the leaves come down.
Will's note — Fall books up fast, and the window is short. If you want a seeding this year, reach out in late summer so we can get you on the calendar before the good weeks are gone.
Deep Dive · Service 06

Sand leveling, explained.

Topdressing feeds the soil and gently smooths it over time. Sand leveling is the heavy-duty cousin — the job you call when the ground itself is the problem. A thick, sand-only layer, screed to a true plane, that turns a lawn you can't mow without scalping into one that finally lies flat.

You might need leveling if…
Ruts & tracks
Mower wheels and foot traffic have carved lines you can feel through your shoes.
Birdbaths
Low spots that hold standing water for hours after every Georgia downpour.
Scalping
The mower shears the high spots to bare dirt while the dips stay shaggy.
Washboard
Years of mowing the same lines have left a bumpy, rippled surface underfoot.

Leveling vs. topdressing

They look similar from the street. They do very different jobs.

Topdressing
Thin layer, blended manure + sand
Feeds soil biology & organic matter
Smooths minor unevenness over seasons
A recurring program
Sand leveling
Thick layer, sand only
Corrects real grade problems
Screed-leveled to a true, flat plane
A targeted fix, often one to two rounds

How a leveling job runs

01
Assess
Walk the lawn, find the highs and lows, confirm the turf can take it.
02
Mow low & aerate
Scalp it down and open the surface so sand contacts soil, not thatch.
03
Lay the sand
Heavy sand dropped across the low areas — the thick, corrective layer.
04
Screed level
Drag and screed to a true plane so grass tips just show through.
05
Grow in
Water and let the turf climb through. A second round finishes deep spots.
Will's note — Leveling lives and dies by grass type. Bermuda and zoysia heal aggressively and can climb through a heavy sand layer — they love this. Fescue does not creep, so we go conservative and stage it over more than one pass rather than bury the crowns. Timing matters as much as material.
Deep Dive · Service 04 · Recurring, March–October

Mosquito control, explained.

Mosquitoes do not come out of your lawn. They breed in standing water — a clogged gutter, the saucer under a pot, a bottle cap in the ivy — and they spend the day resting in dense, humid shade. Treat only one of those and you are always behind, which is why this runs as a system with two halves doing different jobs.

The botanical barrier spray handles the mosquitoes biting you this week, applied to the shaded harborage where the adults rest out the day. The In2Care stations handle the next generation: the mosquito herself carries a growth regulator into the breeding water no spray can reach, so her larvae never become adults.

That split matters because of what is in the tank. Our actives are plant oils — geraniol, cinnamon oil, cornmint oil, all on EPA's 25(b) minimum-risk list of low-risk ingredients — which sit in EPA's practically non-toxic range for bees and break down in about two weeks instead of lingering in the soil. A short-lived spray on its own would just reset every couple of weeks. Paired with the stations working the water in between, control keeps climbing instead of starting over. March through October.

The trick

How In2Care turns the mosquito against her own kind

She thinks she found the perfect place to lay eggs. She's actually just been recruited to carry the treatment everywhere you can't reach.

STEP 01
Lure
A dark, water-filled station with a yeast attractant reads as the ideal breeding spot to an egg-carrying female — up to 4× more attractive to mosquitoes than other baits. In she goes.
STEP 02
Contaminate
She lands on the gauze and picks up two things: a larvicide (pyriproxyfen) and a naturally occurring fungus (Beauveria bassiana).
STEP 03
Disseminate
Already infected and dying, she flies off to lay eggs in every hidden pocket of water — the cryptic spots a spray truck never reaches — dropping larvicide in each so the larvae never mature. And the fungus already blunts her urge to bite, so she's barely biting you while she does the work.
STEP 04
Collapse
A few days later the fungus kills her too. Adults down, next generation gone — including the broods in water you'd never find.
Watch it work

See the system in action.

The In2Care stations

Stops the next generation

A bottle cap of water in the ivy, a clogged gutter, the saucer under a pot — mosquitoes breed in cryptic spots no spray reaches. The mosquito herself carries the growth regulator into all of them, so her larvae never mature. This is the half that keeps the population from rebuilding between visits.

Why the system stays narrow

Aimed at mosquitoes, not everything

Each half is picked to hit mosquitoes and little else. The station only attracts container-breeding mosquitoes — not bees or butterflies — and the growth regulator stops mosquito larvae specifically. The spray stays on resting surfaces, and we don't spray blooming plants. It's EPA-registered and lower-risk around kids and pets when applied correctly.

2 wks
Why it is gentler on your garden

Our botanical actives sit on EPA's 25(b) minimum-risk list — a set of ingredients, mostly food-grade plant oils, that EPA considers low-risk enough to exempt from full pesticide registration — and they fall in EPA's practically non-toxic range for bees. They also break down in about two weeks rather than lingering in the soil. That short life is exactly why the spray is paired with the stations: they keep working the breeding water between visits, so control keeps building instead of resetting each time the spray wears off. In the stations, a growth regulator stops mosquito larvae from developing into adults — and the mosquito carries it to a dozen breeding sites on her own feet.

The knockdown spray

Handles the ones biting you now

This is the half you feel first. While the stations work on next month's mosquitoes, the spray deals with today's — applied to the shaded, humid harborage where adults rest out the day: under deck skirting, in ivy and dense shrub lines, along fence bases. Plant oils, concentrated on those resting surfaces where they do the most good. It knocks the adults down and keeps treating that harborage as new ones move in.

Straight talk: a botanical spray breaks down in about two weeks. That is the trade for a short-lived material — and the reason it is always paired with the In2Care stations, which keep hitting the next generation in the water while the spray fades. After a big rain it takes a week or two to pull full control back, which is why this runs as a season-long program rather than a one-time visit.

The botanical blend · EcoVia MT
What is actually in the tank.
Clove
Knockdown
Citronella
Repellent
Lemongrass
Repellent
Rounded out with 2-phenethyl propionate and a soybean-oil carrier. On EPA's FIFRA 25(b) minimum-risk list · practically non-toxic range for bees · breaks down in about two weeks, which is why the In2Care stations run alongside it.
Pricing

Priced by the station, billed monthly.

More stations mean more coverage on bigger or shadier lots — and every station you add costs less than the last. Billed monthly across the March–October season.

Your number depends on your yard.

A shady half-acre needs more stations than a small sunny lot, so a price list on its own tells you very little. Map your yard below and send it over — you’ll get the station count and the monthly figure for your property, not a range.

Stations
Per month
1 station
$55
2 stations
$85
3 stations
$110
4 stations
$130
5+ stations
+$20 each

Each added station drops the step-up in price until it settles at $20/mo per station. We’ll walk the property and recommend a station count based on your lot, shade, and how bad the pressure gets.

Mosquito Estimator

Coverage estimator

Find your address, then click your shady, mosquito-prone zones to drop a station. Each one covers about 4,300 sq ft — the tool tallies how many you'd need and the monthly price. Click a bucket to remove it.

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Looking…
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→ Click the map to drop a station. Each circle is its ~4,300 sq ft coverage zone. Click a bucket to remove it. Zoom with the + / – buttons.
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Property boundary, so you can see where the yard ends. Lines can sit a few feet off the imagery.
Find the address first — then I know which lot to pull.
No lot line came back for that spot. We read Fulton, Cobb, DeKalb, Gwinnett and Clayton records.
Couldn't find that address — try adding the city and state.
Stations placed
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stations
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Monthly · Mar–Oct
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Billed monthly through the season. A ballpark — we confirm the station count when we walk the property.
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No list, no spam — this goes straight to Will.
About

I was running a Bobcat before my feet reached the pedals.

I'm Will. I've had Georgia clay under my nails since I was a kid and never found a reason to wash it off. In 2017 I stopped working other people's crews and started Jacobs Turf — mostly because I could not stop thinking about how much better the lawns I drove past could be.

Before that I got a Turfgrass Management degree from UGA and spent four seasons on professional grounds crews, on the practice fields for Atlanta United and the Falcons. That work rewires how you see grass. Nobody on a training field accepts “it looks fine” — you know the soil profile, the moisture, the wear pattern, how fast it comes back, and you know it in numbers. Then I would drive home past neighborhoods where lawn care meant one truck spraying the same thing on every house on the street. That gap is the reason this company exists.

Here is the part people find strange: my favorite moment on any job is pulling a soil core. You get a plug of dirt in your hand and it tells you everything — how deep the roots actually went, where the compaction starts, whether anything is alive down there. And when a yard that has been thin and hard for years finally comes in thick enough that you cannot see the ground through it, that never gets old. Not once.

So we build turf from the ground up instead of leaning on synthetic fertilizer alone — soil testing, organic fertilization, biostimulant sprays, aeration, topdressing. It is slower than a spray schedule, because soil moves in seasons rather than weekends, but it compounds. I am not trying to be the biggest lawn company in Atlanta; I want to be the one that actually fixes yards. If your lawn does not need something, I will tell you that too — I have talked myself out of plenty of work.

◦ Est. 2017 · family-run
◦ B.S. Turfgrass Mgmt — UGA
◦ Atlanta United FC
◦ Atlanta Falcons
The path here
THE ROOTS

Years in Atlanta landscaping

Learned it the hard way — hands, heat, and other people’s crews, all over metro Atlanta.

UGA

Turfgrass Management degree

Four years of soil science, and the end of guessing. This is where "test first" stopped being an opinion.

ATL UTD

Atlanta United grounds crew

Two seasons on the training pitch — professional turf, measured constantly, excuses not accepted.

ATL FALCONS

Atlanta Falcons grounds crew

Two more seasons on NFL practice turf, where "looks fine" is not a standard anybody gets to use.

EST. 2017

Jacobs Turf Atlanta

Pro-field discipline, pointed at Atlanta front yards.

Why I do this

I'm happiest when I'm outside — whether it's whitewater kayaking, rock climbing, camping, or tearing through trails on a dirt bike. Lately it’s the Appalachian Trail; I’m section-hiking north, about 220 miles in so far. I like working with my hands, working with my family, and doing things the right way. I also happen to run a turf and mosquito control company, which is the perfect excuse to be outdoors while fighting the good fight — cleaner runoff, and mosquito control aimed at mosquitoes instead of every insect in the yard.

My passion is creating healthier, more balanced yards without wrecking the environment in the process. I get to blend my love of nature, my belief in sustainable living, and my stubborn streak for “doing it better” into the work I do every day. If that means rethinking the entire lawn care playbook — good. Somebody has to.

Philosophy
“Jacobs Turf is for homeowners who want more than a quick green-up.”
Contact

Let's read your dirt.

MESSAGE SENT

Got it — thanks.

I'll be in touch within a business day to schedule a soil test and walk the property.

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Direct
wjacobs@jacobsturf.com
(404) 291-4039
Service area

Atlanta and the close-in metro — Brookhaven, Decatur, Sandy Springs, Buckhead, East Atlanta, and the neighborhoods in between.

FAQ

Questions, answered straight.

The things people actually ask, minus the sales gloss. If yours isn't here, email me — I like a good soil question.

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Field Notes

Field notes from the dirt.

Soil science, minus the sales gloss — what we are learning in the and out on Atlanta lawns, written for the curious homeowner.

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Where 75 Atlanta lawns actually fall short
Share of tested lawns at or above sufficiency
Nutrients — already in the ground
Phosphorus (P)92%
Potassium (K)91%
Calcium (Ca)100%
Magnesium (Mg)100%
Soil structure — the real gap
pH in target range61%
CEC able to hold nutrients40%
n = 75 · sufficiency thresholds: P ≥ 16 ppm · K ≥ 116 ppm · Ca ≥ 500 ppm · Mg ≥ 60 ppm · pH ≥ 6.0 · CEC ≥ 8 meq/100g
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The JT Lab

We run the experiments so your lawn isn't one.

The Lab · Interactive

Watch grass grow. This time you'll actually see how.

Follow a single shovel of compost from the dirt, through the bacteria and clay, and right across a root cell's skin — until you watch nitrogen become the color of your lawn.

See the nitrogen cycle in action →

The JT Lab is where the opinions get tested. Before we recommend a blend, a rate, or a timing window, we try it — on our own plots and on real Atlanta lawns — and we watch the soil numbers to see whether it actually did anything. It is also where every soil test we pull gets logged and tracked, so a lawn's story builds season over season instead of resetting each visit. Not a slogan. A working habit.

01 · Field trials

We test it before we sell it.

Products, blends, and timing get trialed on real turf — with a control strip left alone — so a recommendation is something we've watched work, not something off a supplier's flyer.

02 · Soil archive

Every reading, kept.

Each soil test we pull is logged — pH, nutrients, organic matter, CEC — so we can see the trend line, not just today's snapshot. That history is how we prove a lawn is actually getting better.

03 · What we learn

The findings change the work.

When a trial tells us something real about Atlanta clay, it changes how we treat every lawn after it — and the write-up lands in Field Notes so you can read the reasoning yourself.

Questions we want to answer

On the list — not started yet

We haven't run these yet — they're the questions we're most curious about and plan to put on test plots. When we actually start one, the write-up lands in Field Notes.

Question 01 · Not started yet

Bio-Charge vs. the bag

A head-to-head on one lawn: a strip fed only our Bio-Charge spray against a strip on conventional synthetic fertilizer. Same season, same water. Which one ends up greener, denser, and deeper-rooted? We want to settle it with soil tests and a side-by-side stripe.

Question 02 · Not started yet

Mini-clover in the overseed

How much nitrogen does a mini-clover fraction actually fix into an Atlanta fescue stand over a year — and what percentage of the blend hits the sweet spot: enough to feed the turf without the clover taking over, and does it hold up through summer? Measuring against clover-free plots.

Question 03 · Not started yet

How far can CEC climb in one season?

On a lawn running the full soil-first plan — aeration, compost & sand topdressing, and Bio-Charge — how many points can we actually move CEC in a single season? We want before-and-after lab tests to put a real number on it.

What the archive says about Atlanta soil

Real data · our own archive

Pulled from the anonymized soil tests we've run through the UGA / Fulton County lab. It is the clearest picture we have of what's actually under Atlanta lawns — and it's the whole reason we treat soil first.

{{ soilMedianPh }}
Median pH
Slightly acidic — most lawns want a touch of lime, but not the blanket dose they usually get.
{{ soilPctBelowPh6 }}
Came in acidic
Below pH 6.0, where nutrients start locking up no matter how much fertilizer you throw down.
{{ soilMedianCec }}
Median CEC
A modest tank for holding nutrients — the number topdressing and organic matter slowly raise.
60%
Low CEC (under 8)
Six in ten lawns can't hold what you feed them — the exact problem we build soil to fix.
Range across the archive: pH 5.0 – 8.1 · CEC 4.3 – 38.6 meq/100g. Client names and addresses stripped; nothing here traces to a person.
Distribution

Where the pH lands

Below 5.5 · very acidic9
5.5 – 5.9 · acidic20
6.0 – 6.4 · slightly acidic20
6.5 – 6.9 · near ideal11
7.0 and up · neutral+15
Distribution

Where the CEC lands

Under 6 · very low15
6 – 7.9 · low30
8 – 9.9 · moderate13
10 – 14.9 · good12
15 and up · clay-rich5
Will's note — Two out of three Atlanta lawns we test come in acidic, low-CEC, or both. That's not a fertilizer problem — it's a soil problem, and you can't spray your way out of it. Lime where the number says to, build organic matter, and the CEC climbs season over season. The archive is how we prove it's working.
Soil test · decoded

Read your test through the cycles.

Every line on a soil test is really a readout of a cycle happening in your dirt. Here's what the numbers are actually telling you.

pH · base saturation

Who's sitting in the seats

pH tells you which cations hold the exchange sites. Too acidic and H⁺ & Al³⁺ squat in the good seats, locking nutrients out — that's the only time we lime, and only if the number says so.

CEC · cation exchange

The size of the tank

How many cations your soil can hold and hand back to roots. Low CEC is a leaky bucket — feed washes through; we raise it the honest way, with organic matter.

Nitrogen · the leaky one

Washes down as nitrate

Nitrogen lives mostly as nitrate (NO₃⁻), a negative ion clay can't grip — so it rides the water past the roots. That's why we feed in small splits and let biology release it slowly.

Phosphorus · the locked one

Present but unavailable

In acid clay, phosphorus binds to iron & aluminum and sits there — on the test, but useless to the grass. Correcting pH frees what's already down there; another bag rarely does.

Organic matter · the engine

The number that moves everything else

Organic matter feeds the microbes that mineralize nitrogen, and humus carries some of the highest CEC of anything in soil — so building it raises your tank, steadies your nitrogen, and slowly unlocks the rest. It's the one line nearly every treatment we do is quietly working to grow.

What one report actually says

Real sample · anonymized

A soil test is a page of numbers most people never get read to them. Here's a real one from the archive — a typical Atlanta cool-season lawn — with the lab result on the left and what it actually means on the right.

Soil Test — Report #JT-041
UGA / Fulton County lab · cool-season lawn · location anonymized
Routine test
pH · P · K · Ca · Mg · micros
Measure Result Rating What it means
pH 5.25 Below target Too acidic. Target is 6.0–6.5 — down here, nutrients start locking up and the grass can't reach them. Wants lime.
CEC 7.3 Low A small tank — this soil can't hold much of what you feed it. Building organic matter raises it over time.
Phosphorus (P) 40 ppm Sufficient Plenty. No need to add — extra phosphorus just runs off into the watershed.
Potassium (K) 179 ppm Sufficient In good shape for a cool-season stand. Maintenance, not correction.
Calcium / Magnesium 1418 / 176 ppm Sufficient Both healthy. The lime we'd add for pH nudges calcium up a touch too — a bonus, not the goal.
Micros (Zn · Mn · Cu) all in range Sufficient Nothing flagged. No boutique micronutrient program needed here.
The read

Here's the punchline most people miss: the nutrients are basically all there. This lawn does not need a bigger fertilizer bill. It needs its pH brought back up and its CEC built — because right now the grass can't reach the food that's already in the ground.

Prescription → Lime to correct pH · core aeration + compost-and-sand topdressing + Bio-Charge to build CEC · re-test next season to confirm it moved.

Real values from an archived UGA test; report number and location changed. ppm = parts per million · CEC in meq/100g.

It starts with a soil test. We pull the samples, read the numbers, and you get a baseline to measure everything else against.