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White Spots on African Violets: Need Visual Description for Diagnosis

Rick's mother-in-law (experienced grower) had white spots on violets—not mildew, alcohol didn't help. Lost 2 plants, 3 more affected.

Critical Need: Spot Description

White spots have multiple causes with different treatments:

Powdery mildew (powdery, brushable)
Foliar mealybugs (cottony, alcohol-soluble)
Cold water spots (flat, permanent)
Variegation (genetic, patterned)
Mineral deposits (crusty)

Next Step

Detailed description or photo essential. Experienced grower's "not mildew" and alcohol attempt suggest mealybug suspicion. Need visual details to proceed.

Violets: Phalaenopsis Sunburn: White Bleached Spots Are Permanent; White Spots on Phalaenopsis Petals: Mealybug Alert; Getting African Violets to Rebloom: Fertilizer, Light, and Watering Tips; White Bugs in African Violet Soil: Identification and Treatment; Mysterious Inky Spots on African Violets: Fungal or Insect?; White Spots on African Violet with Root Rot: Mealybugs or Fungus?; Why African Violets Die at the Crown: Source Matters; Powdery Mildew on African Violets: Brush Treatment and Root Rot Prevention; Are African Violets Toxic to Children and Pets?; African Violet Care: Light, Water, and Growing Tips

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Mass African Violet Decline After Repotting: Fungal Infection or Cultural Shock?

White Spots on African Violet Flowers: Variegation, Cold Water, or Pests?

Whiteflies on African Violets: Identification, Treatment, and Prevention

Drooping African Violet in Cool Temperatures: Heat Requirements

African Violet Rest Period: When Blooms Stop But Plant Is Healthy

To Repot or Not? The African Violet Dilemma

Repotting African Violets in Full Bloom: Acceptable with Bloom Removal