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Soil Keep an eye on it

Mineral salt crust

White crust on the surface

A whitish crust forms on the surface of the compost and around the pot rim.

Also called: white crustsaltstoo much fertilisersurface deposit

Unlock the full diagnosis
Mineral salt crust

Severity

Keep an eye on it

Deal with it this week, before it spreads.

Parts affected

  • Leaves
  • Stems
  • Flowers
  • Fruit
  • Roots
  • Soil

Family

Soil

Tired, compacted or cramped soil holds the whole plant back.

Understand

What is happening inside the plant

Fertiliser and tap water bring in salts the plant does not fully absorb.

Full diagnosis

The rest is in the app

Sign-by-sign checks, an action plan, prevention: the full “White crust on the surface” diagnosis is waiting for you in Plenova. And the app diagnoses your plant from a single photo.

  • 4 signs to check on your plant
  • A 3-step action plan
  • 6 symptoms and causes explained
  • 2 ways to stop it coming back
  • Diagnosis from a photo of your plant

Free app, no ads.