Fittonia

Fittonia is a creeping evergreen in the acanthus family, Acanthaceae. In the wild it carpets the shaded, damp floor of rainforests in tropical South America, including Peru. Its name honours Elizabeth and Sarah Mary Fitton, two 19th-century Irish sisters who wrote a popular introduction to botany.

What makes it stand out:

• Leaves. Oval, soft and slightly quilted, usually 3–8 cm long. Each one is mapped by a fine grid of contrasting veins, which is where the names "nerve plant" and "mosaic plant" come from.
• Colour. This variety has fresh green leaves with bright white to silvery veining. Other forms carry pink, red or near-white patterns.
• Habit. Short, branching stems that root as they creep, forming a low, dense mound that spills slightly over the pot edge.
• Flowers. Small spikes of tiny white or cream flowers appear now and then. They are not showy, and most growers pinch them off to keep the leaves full.

The veins are not decoration painted on by a breeder. They are part of the leaf's natural pattern, and they look sharpest when the plant gets good light without direct sun.

Where should you keep a nerve plant?

Fittonia wants three things from its spot: steady warmth, humid air and light that never hits the leaves directly. Within those limits it fits almost anywhere.

• Bathrooms with a window. Shower steam keeps the leaves plump, which makes it one of the best steamy-bathroom plants that thrive on shower humidity.
• Work desks and study tables. It stays small for years and adds colour without hogging space, so it sits comfortably among small table plants that brighten a work desk.
• Bedside tables and windowsills. A bright bedroom with filtered light suits it well, alongside other small plants for a bedroom windowsill.
• Rooms facing north or east. It does not need sun, so it is one of the more colourful indirect sunlight plants for a north-facing room. Very dim corners will make it leggy, though.
• Terrariums and bottle gardens. Its love of humidity and compact size make it a classic terrarium plant. Use an open or vented container and trim it regularly.

Avoid air-conditioner and cooler drafts, south- or west-facing sills in summer, and shelves above a heater.

Product Specifications

• Plant name: Fittonia Plant / Fittonia Green / Nerve Plant / Mosaic Plant
• Botanical name: Fittonia albivenis (Lindl. ex Veitch) Brummitt
• Common synonyms: Fittonia verschaffeltii, Fittonia argyroneura
• Plant family: Acanthaceae (acanthus family)
• Native range: Tropical South America, including Peru (Kew: "S. Tropical America")
• Plant type: Evergreen, creeping tropical perennial (low, mounding houseplant)
• Variety supplied: Green leaves with white to silvery veins
• Foliage: Soft, oval, slightly quilted leaves, about 3–8 cm long, with a fine net of contrasting veins
• Growing medium supplied: Potting soil mix
• Growth habit: Low, bushy, creeping mound; stems root where they touch soil
• Growth rate: Moderate to fast in warm, humid weather
• Mature size indoors: About 10–15 cm tall and 20–30 cm wide
• Flowers: Occasional small spikes of tiny white or cream flowers; not ornamental
• Suitable placement: Bathrooms with a window, office desks, study tables, bedside tables, north- or east-facing windowsills, terrariums and bottle gardens
• Not suitable for: Direct sun, cooler or air-conditioner drafts, very dark corners, outdoor beds in open sun
• Light requirement: Bright, indirect light to light shade
• Water requirement: Moderate to high; keep lightly moist, never soggy
• Soil requirement: Light, moisture-holding, free-draining mix of cocopeat, potting soil and perlite
• Humidity: High preferred (around 60% or more)
• Temperature: 18–28 °C ideal; protect from nights below about 15 °C
• Fertiliser: Half-strength liquid fertiliser monthly, March to September
• Pruning: Pinch tips and flower spikes regularly to keep it bushy
• Propagation: Stem tip cuttings in water or moist mix
• Common pests and problems: Fungus gnats, spider mites in dry air, root rot from overwatering, crisp edges from dry air
• Maintenance: Moderate (needs frequent watering)
• Difficulty level: Easy in humid rooms; moderate in dry or air-conditioned rooms
• Suitable environment: Indoors across India; especially happy in humid eastern, southern and coastal regions
• Pet safety: Non-toxic to dogs, cats and horses (ASPCA, listed as Fittonia verschaffeltii)

How do you care for a Fittonia plant?

Most Fittonia problems come from one of two things: drying out completely or sitting in soggy soil. Aim for the middle.

• Light. Bright, indirect light or light shade. Direct sun scorches the leaves within hours. Too little light fades the veins and stretches the stems.
• Watering. Water when the top 1–2 cm of mix feels dry, until it drains from the bottom. In a small pot that is often every 2–4 days in summer and every 5–7 days in winter. Empty the saucer afterwards.
• Humidity. It likes 60% or more. Bengal's monsoon suits it perfectly. In dry winters or air-conditioned rooms, place it on a tray of wet pebbles or group it with other plants. Misting helps only briefly.
• Potting mix. Light, moisture-holding and free-draining: roughly equal parts cocopeat, potting soil and perlite, with a little compost.
• Pot. Always use a drainage hole. Fittonia has shallow roots, so a wide, shallow pot suits it better than a deep one.
• Temperature. Happiest between 18 °C and 28 °C. Keep it away from cold windows when nights fall below about 15 °C.
• Feeding. Half-strength liquid houseplant fertiliser once a month from March to September. Skip feeding in winter.
• Pinching. Nip off stem tips and flower spikes every few weeks. This keeps the plant bushy instead of straggly.

Why does a Fittonia faint, and will it recover?

When the mix dries out, a nerve plant collapses flat over the pot edge, as if it has died. Growers call this "fainting". Water it thoroughly and it usually stands back up within a few hours.

It is a useful built-in signal, but do not rely on it. Repeated fainting weakens the plant and turns leaf edges brown and crisp. Check the soil with a finger every couple of days instead, and water just before it reaches that point.

If the plant wilts while the soil is wet, the problem is the opposite: the roots are sitting in water and may be rotting.

Is the nerve plant safe for cats and dogs?

Yes. The ASPCA lists the nerve plant, under the name Fittonia verschaffeltii, as non-toxic to dogs, cats and horses. That makes it one of the few patterned houseplants you can keep on a low table without worry.

Non-toxic does not mean edible. A pet that chews a lot of any plant can get a mild upset stomach, and a chewed Fittonia will look rather sorry for itself. If you are building a collection around animals, browse more houseplants chosen for homes with cats and dogs.

Does a Fittonia purify the air?

Not in a way you would notice. Like any plant, it takes up a little carbon dioxide and some airborne chemicals, but a review of decades of studies found that a few potted plants cannot measurably clean the air in a normal room. Good ventilation does far more. For the detail, read what decades of indoor-air research say about houseplants. The real reasons to grow a nerve plant are its colour, its size and its pet-friendly nature.

Fittonia through the Bengal year

These timings suit the Kolkata climate where our plants grow, and most of the eastern plains. They come from raising Fittonia at a plant nursery in West Bengal that grows nerve plants year-round.

March to June: heat and fast growth. New leaves arrive quickly. The mix dries fast, so check it every day or two and keep the plant well away from afternoon sun. Feed monthly.

July to September: monsoon. The plant's favourite season. Humidity is ideal, but cloudy days slow drying, so feel the soil before you water. Watch for fungus gnats in constantly wet mix.

October to November: the best time to repot and propagate. Mild weather and steady light. Move up one pot size if roots fill the pot, and root a few tip cuttings in water or moist mix.

December to February: slow and cool. Growth slows. Water less often, stop feeding, and keep it off cold windowsills on chilly nights. In dry northern winters, use a pebble tray.

What problems affect a Fittonia plant?

• Sudden collapse with dry soil. Thirst. Water thoroughly; it should recover within hours.
• Collapse or yellow leaves with wet soil. Overwatering or no drainage. Let it dry slightly and check the roots for rot.
• Crispy brown leaf edges. Dry air, repeated fainting or direct sun. Raise humidity and move it into shade.
• Long, bare stems and pale veins. Too little light or no pinching. Move it closer to a bright window and trim it back.
• Tiny flies around the pot. Fungus gnats from constantly wet mix. Let the top layer dry between waterings.
• Fine webbing or stippled leaves. Spider mites, usually in dry air. Rinse the leaves and spray diluted neem oil weekly.

Plants that pair well with a Fittonia

For a humid shelf, add a trailing peperomia for the same humid shelf, and contrast its veined leaves with a compact white syngonium with similar pale markings. If you would rather start with a ready-made group, consider a three-plant fittonia set for a ready-made indoor corner. Its small size and pet-safe status also make it one of the easier small plants gifts for a friend with pets.

A small plant with a big pattern

Every Fittonia is grown, checked and packed by hand at our nursery before it ships. Give it humid air, soft light and a regular drink, and its veined leaves will brighten your desk, bathroom or terrarium for years.