A 3-4 foot schefflera has had brown scale for years. Manual removal misses juveniles. Owner read about cold-hardening outdoors to kill scale without harming plant.
No temperature kills scale but spares schefflera—this is internet misinformation. Manual removal or Q-tip dabbing is futile; juveniles are transparent and invisible.
Mix: 5 parts water, 1 part rubbing alcohol, squirt of liquid dish soap. Thoroughly spray ALL leaf and stem surfaces until dripping wet. Complete coverage is essential. Do outdoors above 50°F, out of direct sun. One thorough application usually suffices.
Free articles on indoor plant pests and schefflera care available by emailing wcreed@HorticulturalHelp.com. Comprehensive indoor plant care book also available for purchase.
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