What is on the label
Composition, dosage and safety information come from the labels and product sheets.
The best for your lawn.
Fertilize-it is the lawn brand of Alammax BV in Knokke-Heist: precision-formulated fertilizers for everyone who wants a green lawn.
From the world of professional golf.
Fertilize-it’s lawn fertilizers come from the demanding world of professional golf, where a perfect lawn is a given. We bring that know-how to your garden: a Basic line for three feeds a year, a Pro line for real lawn enthusiasts, the organic Bio Booster and nine liquid elixirs. Every product comes with a lawn calendar, so you know what to use when.
- Alammax BV, Knokke-Heist
- 10 kg bags, 1 litre bottles and 5 litre cans
- Safety data sheet on request
A lawn enthusiast who went pro.
Fertilize-it was founded by Mathieu De Lille. His grass journey started in 2015; the master plan was created in 2020 and the first test batch of all products in 2023. Mathieu’s background in golf and why he started Fertilize-it, in his own words.
As seen in Het Nieuwsblad.
On 4 August 2026 Het Nieuwsblad published an article about founder Mathieu De Lille’s lawn: “Als er vrienden of gasten komen, wil ieder weten hoe we dit doen”: zelfs in deze droogte is bij hen het gras groen (article in Dutch).
Honest, clear and practical.
A plan per season
The lawn calendar tells you what to use when, from spring to winter.
Tailored advice
Not sure? Send us a message or order a soil analysis.