Purple Heart problems & how to fix them

Tradescantia pallida

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

Common problems

Etiolation (insufficient light)

Anything less than strong light makes it pale, leggy, and floppy. 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

The juicy stems rot fast in constantly wet soil. 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.

Overwatering

It needs far less water than its lush look suggests. The soil is staying wet longer than the plant can handle, starving roots of oxygen. If caught before roots start rotting, the fix is simple - let the soil dry out and adjust the routine - and most plants bounce back within 2-3 weeks.

Example of a yellowing lower leaf on a potted Chinese evergreen, on another plant — Example on another plant
a yellowing lower leaf on a potted Chinese evergreen
Photo: Saurav9656 · CC BY-SA 4.0 · Wikimedia Commons

Mealybugs

They settle into the clasping leaf bases along the stems. Slow-moving sap-sucking insects that look like bits of white cotton stuck in leaf joints. They are stubborn but very treatable with repeated spot treatment; expect steady improvement over 3-4 weeks.

Example of a long-tailed mealybug on a leaf, on another plant — Example on another plant
a long-tailed mealybug on a leaf
Photo: D-Kuru · CC BY-SA 3.0 at · Wikimedia Commons

The mistakes that most often kill it

Overwatering a plant built for drought.
Keeping it in shade until the purple and the structure are both gone.
Handling roughly, snapping the brittle stems (though cuttings root easily).

Not sure what’s wrong?

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