Pest identification
What's eating my calathea zebrina humilior?
Spider mites
Signs: Tiny pale flecks across leaf surface; fine webbing on undersides; leaves lose their deep green color
Control: Shower plant thoroughly, increase humidity, and spray with insecticidal soap or neem oil every 5–7 days for three rounds
Thrips
Signs: Silver-streaked or bronzed patches on leaf surfaces; small black fecal dots visible on undersides
Control: Wipe leaves with insecticidal soap; apply spinosad-based spray or neem oil; remove heavily infested leaves
Fungus gnats
Signs: Root damage from larvae in damp soil; slow growth; adult gnats visible around soil surface
Control: Let the topsoil dry slightly between waterings; use sticky traps and Bti-based soil drench (e.g., Gnatrol)
Keep calathea zebrina humilior pest-free
Healthy plants resist pests best. Get the basics right:
- What eats zebra plant (calathea zebrina) — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common calathea zebrina humilior problems & fixes
- Calathea Zebrina Humilior watering schedule
- Calathea Zebrina Humilior light requirements
- Full calathea zebrina humilior care guide
Calathea Zebrina Humilior pests — FAQ
What is eating my calathea zebrina humilior?
Calathea Zebrina Humilior's large, velvety leaves make an attractive target for spider mites and thrips. Its preference for consistently moist soil also makes it susceptible to fungus gnats. Mealybugs can hide in the leaf folds. Maintaining high humidity and good air circulation is the primary defense.
How do I get rid of spider mites on calathea zebrina humilior?
Tiny pale flecks across leaf surface; fine webbing on undersides; leaves lose their deep green color Shower plant thoroughly, increase humidity, and spray with insecticidal soap or neem oil every 5–7 days for three rounds
How do I get rid of thrips on calathea zebrina humilior?
Silver-streaked or bronzed patches on leaf surfaces; small black fecal dots visible on undersides Wipe leaves with insecticidal soap; apply spinosad-based spray or neem oil; remove heavily infested leaves
How do I get rid of fungus gnats on calathea zebrina humilior?
Root damage from larvae in damp soil; slow growth; adult gnats visible around soil surface Let the topsoil dry slightly between waterings; use sticky traps and Bti-based soil drench (e.g., Gnatrol)