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Home/ Case studies/ Goyvaerts family · Brasschaat
Case 02 · Back garden

Three gardeners couldn’t. One soil test did.

Goyvaerts family · Brasschaat 480 m² family garden · heavy clay 1 year (2024 → 2025)
+0%
Denser turf in one year
5.2→6.5
pH corrected
0%
Less moss cover
The challenge

Lush everywhere — except under the beech.

For ten years the lawn thinned out under a big beech on heavy clay. Moss crept in, bare patches spread, and three different gardeners tried in turn — and each one quietly gave up. Reseeding never took.

A €49 soil test found the cause in a week: pH 5.2, far too acidic, and a clear iron deficiency. The grass wasn’t lazy — it simply couldn’t take up the little feed it was given.

The approach

1 · Read the soil first

An independent lab test for pH, NPK and iron — instead of guessing with yet another bag of granules.

2 · Correct the pH

A targeted lime plan plus Colour Elixir to lift pH toward 6.5 and green up the iron-starved blades.

3 · Feed for shade

Shadow + Essential elixirs matched to a low-light clay garden, applied little and often through the season.

How it went

Same corner, one year apart.

No digging up the lawn, no fresh turf. Over twelve months the plan lifted pH from 5.2 to 6.5, cleared the moss and filled the bare patches under the tree — at roughly a fifth of what a gardener had been charging.

Before · spring 2024
After · spring 2025
The results

One soil test. A garden that finally took.

+62%
Denser turf in one year
5.2→6.5
pH corrected in 8 months
80%
Moss cover
€280
Total yearly cost
Turf density
Before
After
Moss cover
2024 · 100%
2025 · 20%
We’d spent years and three gardeners on it. A forty-nine-euro soil test found the problem in a week — it was the pH all along.
SG
Sarah Goyvaerts
Homeowner · Brasschaat

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