Plant care guide
Fittonia Curling Leaves: Dry Pot, Dry Air or Draughts?
Updated
Why are my Fittonia leaves curling?
Nerve plant leaves curl and shrivel mostly from drying out: a dry pot, dry room air, a draught or direct sun. Curling on a plant in wet mix points to root rot instead, and curled, speckled leaves can mean spider mites or mealybugs.
What to do first
Check the mix. Water a dry fittonia thoroughly and it usually perks up within hours. If the mix is wet, stop watering and check the roots. Then move it out of direct sun and draughts, raise the humidity, and look under the leaves for mites.
Fittonia, the nerve plant, reacts fast. Its thin leaves curl, crisp or collapse within a day of drying out, which is alarming but also useful. The cause is usually something you can fix the same day.
Check the pot before you change anything else.
Sort the cause
| What you find | Likely cause |
|---|---|
| Whole plant flopped, leaves curling, mix dry and pot light | Thirst |
| Leaves curling and crisping at the edges, mix moist | Dry air or heat from a radiator |
| Curling on the side facing a door, window or vent | Cold draught |
| Bleached or scorched patches on the sunny side | Direct sun |
| Curling and yellowing with wet mix, stems soft at the base | Root rot |
| Fine pale speckling, webbing under the leaves | Spider mites |
| White cottony clusters in leaf joints | Mealybugs |
Thirst. NC State Extension’s fittonia profile says the plant wilts dramatically when too dry but comes back after a drink. The RHS fittonia guide agrees that a lack of water makes it droop. It recovers once watered thoroughly, provided the dry spell was not too long. Clemson Extension’s houseplant disorders factsheet says chronic underwatering causes wilting, leaf curling and death. Virginia Cooperative Extension’s watering guide lists leaves curling upward or downward among underwatering signs.
Dry air, draughts and sun. NC State says fittonia leaves shrivel and fall in dry air, draughts or direct sun. The RHS says the plant needs moist air or its leaves turn brown. It also warns that direct sunlight can scorch the leaves.
Too wet. NC State links overwatering to root rot and yellowing leaves. Roots that are rotting can’t supply water, so the leaves curl even in wet mix.
Pests. The RHS names red spider mites and mealybugs as sap-sucking pests of fittonia. UC IPM’s spider mite pest note describes stippled leaves that later yellow and drop. It adds that mites favour dusty conditions and water-stressed plants.
What to do
- Feel the mix. If it is dry and the pot is light, water slowly until water drains from the base. Empty the saucer.
- If it is wet, don’t water. Ease the plant out and check the roots. White, firm roots are healthy; brown, soft ones are rotting.
- Move it. The RHS suggests bright light out of direct sun, near a north- or east-facing window. Keep it above 17 °C (63 °F), away from cold draughts and radiators.
- Raise the humidity. The RHS suggests a wide tray of damp gravel or clay granules, a steamy bathroom, or a terrarium.
- Check for pests. Look under the leaves with a hand lens. UC IPM suggests shaking a leaf over white paper to spot mites, then rinsing the plant with a forceful spray of water.
- Trim the worst leaves. Crisp, shrivelled leaves won’t recover. Pinch off damaged tips; NC State notes pinching keeps the plant bushy.
Keep it from coming back
NC State suggests watering about twice a week. Treat that as a guide, and check the mix each time. The RHS says plants in sealed containers need water less often.
Don’t overcorrect with a closed jar and soaking wet mix. NC State notes that leaves may wither if humidity is too high. Our fittonia mold guide covers the grey mould and soil fungus that follow a stuffy terrarium.
Feed lightly. The RHS suggests half-strength fertiliser every two or three months.
Fittonia is safe around pets. The ASPCA lists the nerve plant as non-toxic to dogs, cats and horses.
For webbing on other plants too, see spider mites on houseplants. For cottony clusters, see mealybugs on houseplants. The fittonia hub collects our nerve plant pages, and why houseplant leaves curl, crisp or wrinkle compares leaf symptoms.
Related guides
Other fittonia problems we cover: overwatering, brown tips.
References
- RHS: How to grow fittonia
- NC State Extension Gardener Plant Toolbox: Fittonia albivenis
- Clemson Cooperative Extension, HGIC 2251: Houseplant Diseases & Disorders
- Virginia Cooperative Extension: Properly Watering Container Houseplants (SPES-804)
- UC IPM: Pest Notes: Spider Mites (Publication 7405)
- ASPCA Animal Poison Control Center: Nerve Plant
How this guide was put together: RHS, NC State Extension, Clemson Extension, Virginia Cooperative Extension, UC IPM and ASPCA guidance.