Plant Problem Lab
Calathea profile

Plant + symptom guide

Calathea brown tips

Brown tips usually reflect repeated stress rather than one emergency. The key is separating dry air and salts from underwatering, wet roots, and pest damage.

For calathea, adjust the diagnosis around this plant profile: Calatheas curl and brown from dry soil, low humidity, mineral-sensitive water, heat, cold, or pests. They prefer steadier moisture than many common houseplants.

Most likely causes

dry air, mineral buildup, or moisture swingsdry soil stress or inconsistent wateringdry air or mineral buildupinconsistent wateringroot stresspests on fine foliage

How to confirm it

Look for white crust on the soil or pot rim.

Check whether tips worsen near vents, heaters, or hot glass.

Inspect whether new leaves are forming cleanly while old tips remain brown.

Check whether leaves curl during the day and relax later.

Inspect undersides for mites before blaming humidity alone.

Next steps for Calathea

  1. Step 1

    Trim only dead brown tissue without cutting into healthy green tissue.

  2. Step 2

    Water thoroughly in a draining pot instead of giving frequent small sips.

  3. Step 3

    Move sensitive plants away from vents and harsh heat.

Compare nearby signals

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