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Fertilize-IT producten in het veld bij zonsondergang
For lawn pros & grass freaks

The perfect lawn
starts with the right nutrition.

Premium fertilizers and elixirs from the world of golf-course greenkeeping. Stronger roots, deeper green.

Browse our range Free soil quickscan
4.9/5 · 2,300+ reviews
15+ years of pro experience
4.9
★★★★★
Trustpilot
2,300+ reviews
100% Satisfaction
30-day money back
Free shipping
over €75 in NL & BE
Lab-tested
Independently verified
Expert support
Available 7 days a week

A lawn that always performs at its peak.

Four seasons, four formulas, one plan. Pick a season to see its full program.

MAR · APR · MAY

Spring

Wake up & feed

+8 → +18°C Soil waking up
In this program
Rootgrow Elixir
Deeper roots
Volume Elixir
Denser growth
View program
JUN · JUL · AUG

Summer

Protect from heat

+22 → +32°C Heat & drought
In this program
Shield Elixir
Climate guard
Wetting Elixir
Even moisture
View program
SEP · OCT · NOV

Autumn

Strengthen for frost

+5 → +18°C Cooling down
In this program
Essential Elixir
Seaweed repair
Shadow Elixir
Low-light boost
View program
DEC · JAN · FEB

Winter

Keep it vital

−5 → +8°C Dormant & moss
In this program
Wintermagic
+30% chlorophyll
Shield Elixir
Frost armour
View program
Not sure which program fits you? Our experts build a free custom plan. Reply within 24h.
Free seasonal advice Download the plan (PDF)
★ Personal recommendation in 2 min

Not sure which fertilizer you need? Take the lawn quiz.

Eight short questions about your season, goals and area. We instantly build a seasonal plan with the right products and amounts.

2 minutes
8 questions, no account
Results instantly online
Start the quiz
1
Soil-test data?
Optional, skipped if you have none
2
Basic or Professional?
Homeowner or enthusiast level
3
Season + goals
Pick up to 3 priorities
4
Area + pets
We calculate your amount
Our categories

Three routes to a perfect lawn.

Granular base, liquid boosters or tailored advice, pick your starting point.

Granular fertilizer in the soil
01 / Granular

Granular
fertilizers

CRF technology, up to 3 months of action. Basic and Pro lines for every season.

View 7 products
Liquid elixir spray on crops
02 / Liquid

Liquid
elixirs

Absorbed through the leaf. 9 specialist formulas for every lawn problem.

View 9 products
Soil analysis with clipboard and root structure
03 / Service

Tailored
soil analysis

Lab analysis on 14 parameters + a personal seasonal plan. Stop guessing.

Request analysis
Bestsellers

A formula for every season.

Filter by problem or season, 16 products the pros trust.

What does your lawn need now?
Filter instantly by problem or moment.
Season
Goal
View all 16 products
Soil analysis · Personal advice

Stop guessing.
Start knowing.

82% of Belgian gardens hide a deficiency you can't see. Our accredited-lab analysis tells you exactly what's missing — and the seasonal plan that fixes it.

  • 14 parameters measured in an independent, accredited Belgian lab
  • A personal seasonal plan — products, dosage and timing, not just numbers
  • Full report in your inbox within 5 working days
Order your kit · €49,95
Plan included · 30-day guarantee
Sample BE-26-0481 · Antwerp
Accredited lab
58 / 100
Soil health score
Underperforming

Three corrections away from elite. Here is what's holding your lawn back today.

pH balance
5.8
Too acidic
Iron (Fe)
12 ppm
Deficient
Nitrogen (N)
42 ppm
Low
Potassium (K)
186 ppm
Healthy
Prescribed plan
Spring Pro 10 kg · Essential Elixir · pH-correction lime — with exact dosage & timing.
The process

From sample to strategy
in five days.

No guesswork, no waiting around. A simple four-step path from the kit on your doorstep to a greener lawn.

01
Day 0
Order your kit

On its way to you fast: corer, return bag and a 2-minute online intake.

02
Day 1
Lab analysis

14 parameters measured in an independent, accredited Belgian lab.

03
Day 5
Personal plan

Report plus a seasonal plan: when, what, how much and the effect to expect.

04
3-4 weeks
Visible result

Deeper green and denser, harder-wearing turf you can see and feel.

Spring offer

Soil analysis + Spring bundle, now €20 off

Order before 15 March and the custom seasonal plan is on us. Kit shipped the same working day.

Order your analysis kit · €49,95 How it works, 90-sec explainer →
Waarom Fertilize-IT

No garden-centre mix.
Lab-made for people who expect more.

Golf-course DNA

Our formulas come straight from professional golf-course greenkeeping. What makes fairways showpieces, we now pass on to your lawn, no compromises.

Pro-grade ingredients

CRF technology

Temperature-Controlled Slow Release: the granule only feeds when the soil asks for it. No spikes, no scorching, steady for up to three months.

50% CRF in the Pro line

In-house development

All products developed and tested in-house, with independent lab analysis. Mycorrhiza, polyhalite, Irish seaweed, chosen for performance, not margin.

Made in Belgium
Klantverhalen

2,300+ reviews. Averaging 4.9 stars.

From private gardens to golf clubs, a sample of recent stories.

★★★★★

"Three weeks after Spring Pro my lawn looked like a putting green. My neighbours think I had artificial turf installed."

JV
Jeroen V.
Verified buyer · Antwerpen
★★★★★

"The soil test was an eye-opener. I'd been under-feeding potassium for years. One season later: no more drought patches."

MD
Marleen D.
Verified buyer · Gent
★★★★★

"As a greenkeeper I now use the Pro line at home too. Same quality, finally in a normal pack size. Brilliant."

PV
Pieter V.
Verified buyer · Brugge
★★★★★

"Finally a fertilizer that works as promised. No burnt patches, just deeper green. My go-to from now on."

SH
Sofie H.
Verified buyer · Leuven
★★★★★

"Colour Elixir is magic. One application and the stripes on my lawn are visible from the street. No words for it."

TB
Tom B.
Verified buyer · Hasselt
★★★★★

"Delivery was quick and well-packed. The seasonal plan they emailed made the whole thing foolproof."

KW
Karel W.
Verified buyer · Mechelen
Ready to start?

Make your lawn the envy of the street.

Order by 4 pm today, shipped the same working day. Plus a greenkeeper's seasonal tips in your inbox, once a month. Not happy within 30 days? Money back.

Start your 3-step program Talk to a specialist
2,300+Happy customers
15 yrsPro experience
98%Repeat purchase
24hDelivery NL/BE
Contact

Questions? We are here to help.

Sports field, golf course or private garden, call, email or chat. Reply within 24 hours.

Phone

+32 (0)9 123 45 67

Mon–Fri 9:00–18:00 · Sat 10:00–14:00

Email

hello@fertilize-it.be

Reply within 24 hours, weekends too

Live chat

Talk to an expert

Instant answers to your lawn question

Visit us

Industriezone 12
9000 Ghent, Belgium

Warehouse & pickup, by appointment

Send us a message