Houseplant · Commelinaceae
Tradescantia 'Nanouk'
Tradescantia albiflora 'Nanouk'
Give it a bright window and the odd pinch, and Nanouk stays pink, full, and easy.
Bright indirect
50–81°F · 10–27°C
USDA 9–12
4 in · 10 cm
Overview
Tradescantia 'Nanouk' is the houseplant people grow for its color. Each fleshy leaf runs in stripes of pink, green, and cream, with a purple flush on the underside, and the plant stays low and full rather than long and trailing. It came out of a Dutch breeding program and is sold the world over as an easy, fast-filling pot plant.
Underneath the pretty leaves it's a tough member of the Commelinaceae family, the same group as the common inch plant. That heritage shows in how forgiving it is. It roots from almost any piece you break off, branches freely, and bounces back quickly from a bad week. The one thing it asks for is light, since the pink fades to plain green in a dim spot.
Treat it as a year-round indoor plant. It wants warmth, bright filtered light, and soil that drains, and it will reward a routine pinch with a dense, mounded shape. Overwater it and the stems rot, but that's about the only way to lose it.
Care
The short version: bright, filtered light to hold the pink, water once the top of the soil dries and ease off in winter, keep it warm in free-draining soil, and pinch the tips often to stay bushy.
Light
Give Nanouk bright, filtered light right by a window, since that's what keeps the pink in the leaves. In a dim spot the color washes out to green and the stems stretch. Skip harsh midday sun, which scorches the foliage.
Water
Water well during active growth, then wait until the top inch (3 cm) of soil dries before watering again. Cut back in winter when growth slows. Soggy soil is the one real danger here, so let it drain freely and never leave the pot sitting in water.
Soil
Plant in a free-draining, loam-based mix or a peat-free houseplant compost. The point is drainage, since the fleshy stems rot in anything that stays wet. A handful of perlite or grit loosens a heavy mix nicely.
Temperature
Keep it in the range of 50°F to 81°F (10°C to 27°C), which is ordinary room warmth. It has no frost tolerance, so move it well away from cold glass and drafts in winter.
Humidity
Average household humidity suits it fine, with no number to chase. Very dry air can crisp the leaf tips and invites spider mites, so a slightly humid spot keeps it happiest.
Feeding
Feed monthly with a liquid houseplant fertilizer through spring and summer while the plant is growing. Stop over winter when growth idles, since feeding a resting plant only builds up salts in the soil.
Pruning
Pinch the growing tips often to force branching and keep the plant dense rather than leggy. Pull off any fully green reverted shoots as they appear, or they outpace and crowd out the variegated growth.
Repotting
Repot only when it's truly rootbound, since this is a compact cultivar that's slow to fill a pot. The signs are roots creeping out the drainage holes, water running straight through, or growth that simply stalls.
Size & spacing
Nanouk stays small, reaching only about 4 inches (10 cm) tall while spreading 4 to 20 inches (10 to 50 cm) wide. That mounding, low habit makes it a natural for a shelf, a windowsill, or the front of a grouped display.
Troubleshooting
Nanouk tells you what it needs through its leaves and stems. Faded color, bare legs, or soft black bases each point to a specific fix. Match what you see below and act early, while the plant still has plenty to work with.
Soft black stems and a plant flopping over
Soggy soil leads to root and stem rot, the one mistake that actually kills this plant. Stop watering at once and let the mix dry, then unpot it, cut away anything soft and brown, and repot into fresh free-draining soil. If the rot has spread too far to save, take a few healthy tip cuttings and start over from those.
Fix:
- Stop watering and let the soil dry out
- Remove rotted roots and stems and repot into fresh, free-draining mix
- Take healthy tip cuttings to start a fresh plant if rot is advanced
Webbing, speckled leaves, or cottony white tufts
These are the calling cards of spider mites, aphids, and mealybugs. Fine webbing and pinprick stippling point to mites, soft clustered insects to aphids, and white cottony tufts at the leaf joints to mealybugs. Rinse and wipe the pests off, treat with insecticidal soap or horticultural oil, and keep the plant away from your others until it's clean.
Fix:
- Rinse/wipe off pests and treat with insecticidal soap or horticultural oil
- Isolate the plant to prevent spread to other houseplants
- Repeat treatment as needed until clear
Pink fading to plain green
This is light starvation, not a problem with the plant itself. Variegated Tradescantia greens out when it sits too far from a window, because the pink and white parts of the leaf can't feed themselves and the plant leans on its green tissue to survive. Move it into bright, filtered light and snip off any fully green shoots before they take over the pot.
Fix:
- Move to a spot with bright, filtered/indirect light
- Avoid harsh direct midday sun, which can scorch the leaves
- Remove any fully plain green reverted shoots so variegated growth is not overtaken
Long bare stems with leaves only at the tips
Legginess sets in when the plant goes unpinched, and dim light makes it worse as the stems stretch toward the window. Pinch the growing tips back hard to push new branches and fill the plant out again. Don't toss the trimmings, since they root in a week and slot straight back into the same pot.
Fix:
- Pinch or cut back the growing tips to force branching and bushier growth
- Propagate the trimmed tip cuttings to fill in the pot
- Increase light if the plant is stretching
Crispy brown tips and scorched patches
Harsh midday sun causes leaf scorch, and the worst marks land on the leaves facing the glass. Dry air and uneven watering can brown the tips too. Move the plant back from intense direct sun into bright filtered light, trim the damaged foliage, and keep your watering steady.
Fix:
- Move out of harsh direct sun into bright filtered light
- Trim badly damaged foliage
- Keep watering consistent and maintain average humidity
Toxicity
This is a mildly toxic plant rather than a harmless one. The sap is a skin irritant that can cause a rash on people and a little drooling or stomach upset in pets that chew the leaves. Nothing here is life-threatening, but it pays to wear gloves when you prune and to keep leaf-nibbling pets away.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Mild
A cat that chews the leaves may drool or get a mildly upset stomach, and the sap can leave a red, itchy patch where it touches the skin. The reaction stays minor, but keep a leaf-nibbling cat away from it.
Dogs Mild
Much the same goes for dogs. The irritant sap can redden the muzzle or paws on contact, and a chewed stem brings on a little drooling or a brief bout of mild stomach upset.
Horses Mild
The ASPCA lists this plant as toxic to horses, with skin contact the main worry. The sap can irritate exposed skin, though a houseplant rarely comes within a horse's reach.
Rabbits Caution
No rabbit-specific data exists, so treat it as a caution rather than a safe snack. The same irritant sap that bothers other animals makes this a plant to keep out of the hutch.
Livestock Caution
Grazing animals aren't well studied here, and the irritant sap is reason enough to err on the side of caution. As a potted houseplant it seldom crosses paths with cattle, goats, or sheep anyway.
Birds Caution
There's no clear read on birds, so play it safe and keep pet birds from pecking the foliage. The sap that irritates skin could just as easily bother a curious beak.
People Caution
The sap is a known skin irritant and can bring on contact dermatitis, an itchy rash, in people who handle the cut stems. Wear gloves when you prune or take cuttings, and wash your hands afterward.
Sap can irritate skin; the RHS advises wearing gloves when handling. The toxic principle is irritant sap (contact dermatitis / mild GI irritation), NOT calcium oxalate
Helpline numbers
United States
ASPCA Animal Poison Control: (888) 426-4435 (fee applies)
Poison Control: (800) 222-1222
Canada
Poison Centres: 1-844-764-7669
Varieties
Nanouk itself is the variety most people mean, but there is a close relative worth knowing.
Tradescantia 'Green Nanouk'
A green-leaved form recognized by the RHS that keeps the compact 'Nanouk' habit but trades the famous pink variegation for plain green foliage.
How to propagate
Few plants are easier to copy. A single tip cutting roots in days, so one healthy Nanouk can become a shelf full with almost no effort.
Stem cuttingsEasy
Spring to summer · Roots in about 1 week in summer (~21°C), 2 weeks in winter (~18°C) per the plant patent
This is one of the easiest houseplants to multiply. Snip a tip cutting in spring or summer, stand it in water or moist soil, and it roots in about a week at 70°F (21°C), or roughly two weeks in the cooler light of winter near 64°F (18°C). The stems branch freely and root at every node, so a few cuttings quickly fill a pot. One legal note: Nanouk is a patented cultivar, so propagating it to sell is restricted.
Myths
Nanouk is harmless to pets and people.
The ASPCA lists the inch plant as toxic to dogs, cats, and horses, and both NC State and the RHS flag the sap as a skin irritant that causes contact dermatitis and mild stomach upset. The trouble comes from irritant sap, not the calcium oxalate found in some other houseplants, so gloves are the simple fix when you handle it.
Nanouk keeps its bright pink color anywhere in the home.
Set this plant in a dim corner and it greens out, dropping the pink that makes it worth growing. The color is light-driven, so bright, filtered light is what holds the pink, green, and white together. Push it close to a well-lit window, just out of harsh direct sun.