Tradescantia Nanouk problems & how to fix them

Tradescantia cerinthoides 'Nanouk'

Drooping, yellowing, brown tips, or a plant that just won’t thrive? Here are the most common Tradescantia Nanouk problems, what usually causes them, and how to turn things around.

Common problems

Etiolation (insufficient light)

Insufficient light is the top complaint: stems stretch and the pink fades to green. The plant is stretching toward light it isn't getting: long gaps between leaves, pale thin growth, and leaning. Stretched growth never compacts again, but with more light all new growth comes in full and sturdy - the plant's future is good.

Example of etiolated seedlings stretching pale toward the light, on another plant — Example on another plant
etiolated seedlings stretching pale toward the light
Photo: சஞ்சீவி சிவகுமார் · CC BY-SA 4.0 · Wikimedia Commons

Root rot

Wet soil browns and mushes the chunky stems from the base. A fungal or bacterial infection of the roots, almost always triggered by soil staying wet too long. Caught early, most plants recover within a few weeks after repotting; if most roots are already mushy, recovery is uncertain.

Crispy tips (low humidity)

Very dry air or salty water browns leaf edges, especially the pale pink zones. Brown, dry leaf tips caused by air that is too dry for the plant, common in heated or air-conditioned rooms. Existing crispy tips never turn green again, but with higher humidity new growth should come in clean within a few weeks.

Fungus gnats

Consistently damp topsoil around it invites gnats. Small dark flies that breed in constantly moist potting soil; the adults are harmless but annoying, while larvae can nibble roots of seedlings and weak plants. Very treatable by drying out the soil; expect the flies to fade over 2-3 weeks.

Example of an adult fungus gnat resting on a leaf, on another plant — Example on another plant
an adult fungus gnat resting on a leaf
Photo: James K. Lindsey · CC BY-SA 3.0 · Wikimedia Commons

The mistakes that most often kill it

Growing it in medium or low light and wondering where the pink went.
Chronic overwatering that rots the thick stems.
Letting it freeze on a cold windowsill or during transport.

Not sure what’s wrong?

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