The “salt” crust on your decorative rocks is likely dried honeydew—a sticky secretion from scale insects. If leaves, pot rim, or floor feel sticky, scale is confirmed.
Mix 5 parts water, 1 part rubbing alcohol, and a squirt of dish soap. Thoroughly drench every leaf and stem until dripping wet. This messy job is best done outdoors. Complete coverage is essential—missed insects will repopulate within months.
Alcohol dissolves the protective waxy shell of scale insects; soap helps the solution spread and penetrate. No pesticide is more effective if application isn’t equally thorough.
Monitor weekly for recurrence. Maintain proper light (bright, indirect) and water only when the top inch of soil is dry. Avoid repotting unless necessary, as it adds stress.
Systemic Soil Drench for Magnolia Scale: Bayer Advanced
Magnolia Scale: White "Pussywillow" Bumps Need Systemic Treatment
BB-Sized Bumps on Oak Branches: Galls or Scale? Stress is the Root Cause
Mature Meyer Lemon Fruit Quality: Scale and Skin Disorder Management
Controlling Scale on Hollyberry Tree with Systemic Insecticide
Scale on Weeping Willow: Baking Soda Won’t Work—Use Proper Insecticide
Lichen on Flowering Crabapple: Harmless Indicator of Tree Stress
Lichen on Crabapple: Cosmetic Options If Desired
Scale on Massive Indoor Fig Tree: Hand-Clean or Systemic (If Commercial)
Moving a Ficus (Weeping Fig) Outdoors for Summer: Care Guide
Cottony Maple Scale: Systemic Imidacloprid Best for Large Trees
Identifying and Treating Scale Insects on Ficus Trees
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