Plant care guide
Fittonia Brown Tips and Crispy Leaves: What Dried Them Out
Updated
Why does my Fittonia have brown tips?
Brown, crispy tips and flat, papery leaves on a fittonia (nerve plant) usually mean the leaves dried out: from dry room air, from the mix drying out until the plant collapsed, or from direct sun or a nearby heater. Salt build-up from feeding can add to it.
What to do first
Keep the mix evenly moist, and water a wilted plant straight away. Move it out of direct sun and away from radiators to a bright north- or east-facing spot, and raise humidity with a pebble tray, a bathroom or a terrarium. Trim crisp leaves once new growth is coming.
Fittonia, the nerve plant, comes from shaded tropical forest floors in Peru, where the air stays humid. The RHS fittonia growing guide says it needs similar conditions indoors: warmth, high humidity and shelter from the sun. Without them, its thin leaves dry out and turn crisp.
Crispy, flat leaves will not soften again. The plant usually regrows well once the cause is fixed.
What Dried the Leaves?
| What you see | Most likely cause |
|---|---|
| Brown, crisp tips and edges on many leaves, mix moist | Dry air |
| Whole leaves flat, papery and crisp after the plant collapsed | Mix dried out too far |
| Scorched, bleached or brown patches on the window side | Direct sun |
| Browning on the side facing a radiator or vent | Hot, dry air from a heat source |
| Brown tips with a white crust on the mix or pot rim | Fertilizer or water salts |
| Leaves withering, soft grey fuzz, in a closed container | Too much humidity, grey mould |
NC State Extension’s Fittonia albivenis profile says leaves shrivel and fall off in dry air, drafts or direct sun. The RHS says fittonias need moist air, otherwise their leaves turn brown.
Repeated Wilting
Fittonia collapses quickly when dry. NC State says it wilts dramatically when it gets too dry but comes back after a drink. The RHS agrees, with a warning: it recovers once watered thoroughly, provided you don’t leave it too long.
Leave it too long, and some leaves dry out for good. Those are the flat, crispy ones. To stop the cycle:
- Keep the mix moist by watering frequently, as the RHS advises. Check it every few days rather than waiting for the plant to droop.
- Use moisture-retentive houseplant compost, which the RHS recommends.
- Keep it out of spots that dry it quickly. The RHS names south-facing windowsills and places near radiators and fires.
Iowa State University Extension also notes that letting plants dry out too long between waterings causes brown tips and edges (Iowa State: brown leaf tips).
Dry Air
Indoor air is often driest in winter, Iowa State notes. For fittonia, the RHS suggests:
- An enclosed terrarium, or a steamy bathroom or kitchen
- A wide tray of damp gravel or clay granules under the pot, kept topped up
Iowa State also suggests a humidifier or grouping plants together. NC State asks only for medium humidity, so a fittonia does not need a sealed jar if the room is not very dry.
Direct Sun and Heat
NC State says the leaves may be scorched by direct sunlight. The RHS recommends a bright spot away from direct sun, ideally near a north- or east-facing window. NC State adds that it performs well under fluorescent lights. Keep it at 15 °C (60 °F) or higher and out of cold draughts, as the RHS advises.
Salts
Clemson Extension’s houseplant disorders factsheet lists salt build-up among the causes of brown tips and margins, with a white to grey crust as the sign. Fittonias are not hungry plants. The RHS suggests a half-strength feed only every two or three months.
Do Not Overshoot
More humidity is not always better. NC State notes leaves may wither if humidity is too high, and the RHS warns that grey mould thrives in humid conditions. If leaves rot or grow grey fuzz in a closed container, remove the affected material, as the RHS advises, and let in more air. Our fittonia fungal mould guide covers that problem.
Regrow a Full Plant
- Trim the damage. The RHS says fittonias do not need pruning, but dead leaves and stems can be removed to keep the plant tidy. Iowa State notes trimming brown portions improves appearance.
- Pinch the tips. NC State says pinching stems keeps the plant bushy and full.
- Divide a bare centre. If the plant dies off in the middle, the RHS suggests dividing the clump and replanting the healthy sections.
- Root cuttings. The RHS describes 5 cm (2 in) stem cuttings, cut below a pair of leaves and kept humid until rooted.
For more on raising humidity, see our houseplant humidity guide. Our guide to curling, crisp and wrinkled leaves compares these symptoms across plants.
Related guides
Other fittonia problems we cover: overwatering, curling leaves.
References
How this guide was put together: NC State Extension, RHS, Iowa State University Extension and Clemson Cooperative Extension guidance.