"Silver or grey streaks on peace lily leaves often signify thrips. These are tiny slender insects that feed by scraping the surface of leaves and sucking out the sap, leaving behind a silvery sheen or streaking. They enjoy warm, dry conditions, and can go unnoticed until damage becomes obvious. Isolate your lily to stop the pests spreading. Check the undersides of leaves for tiny black specks (thrip droppings) or the thrips themselves."
"Wipe down each leaf with a damp cloth, ensuring you clean along the veins. Follow up with a weekly application of insecticidal soap until no new signs of damage appear. Inspect plants regularly, especially for new growth where thrips often hide. Keep your plants moist as they dislike humid environments. Always quarantine any new plant purchases for a couple of weeks to catch pest problems before they spread through your collection."
Silver or grey streaks on peace lily leaves often indicate an infestation of thrips. Thrips are tiny, slender insects that scrape leaf surfaces and suck sap, leaving a silvery sheen and streaking. They prefer warm, dry conditions and can remain unnoticed until visible damage appears. Immediate actions include isolating the affected plant, inspecting undersides for black specks or the insects, wiping each leaf with a damp cloth along the veins, and applying insecticidal soap weekly until no new damage emerges. Preventive measures include regular inspections, keeping plants more humid and moist, and quarantining new plants for a couple of weeks.
Read at www.theguardian.com
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