Black Spots on New Orchid Growth: Fungal from Water on Leaves

Cause

Water/mist on emerging leaves leads to fungal spots.

Water/mist early in day so leaves dry. Spray copper-based fungicide early to stop spread. Avoid keeping mix too wet.

Orchids: Sago Palm Scale: Black Soot, White Bumps, and Oil Cleanup; Black Spots on Trees in Wet Area: Need Better Photo; Live Oak Scale Infestation: Lecanium Scales and Systemic Control; Sunset Maple Leaf Spot: Cosmetic Fungus, No Treatment Needed; Black Spots on Outdoor Aloes: Likely Insects, Use Systemic Insecticide; Black Spots on Small Cacti: Root Mealybugs or Rot?; Oncidium Tiny Black Leaf Spots: Usually Harmless, Sometimes a Warning; Identifying and Treating Spots on Rose Leaves; Persistent Black Spot on Carpet Roses Despite Spraying; Identifying Black Spots on Grass: Sooty Mold vs. Puffball Spores

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