When new growth on a Schefflera turns black, the roots are almost certainly rotting. The most common cause is unnecessary or poorly executed repotting. Scheffleras actually prefer being slightly pot‑bound; repotting into a larger container with added drainage material (like pebbles) often backfires—pebbles create a perched water table that keeps soil wet longer, starving roots of oxygen.
Removing excess soil and restoring proper drainage lets the root zone dry faster, reintroducing oxygen and halting rot. If caught early, the Schefflera can recover and push healthy new growth.
For a detailed repotting guide, email wcreed@HorticulturalHelp.com.
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