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Sago Palms Yellowing in Coastal Southern California: Soil Test Needed

15-Year-Old Sagos Turn Yellow Rapidly; Two of Several Affected

Moderate water, full sun. New fronds also yellow. Palm food and manganese tried. No bugs. Nurseries stumped.

Expert Recommendation

Focus on soil conditions. Get soil test (county Ag office or nursery). Identifies nutrient availability and pH. Ensure good drainage—standing water causes root rot.

Plant Diseases: Sago Palm White Spots: Need Photo for Scale ID; Sun-Stressed Sago Palms: Fertilizer and Systemic Atomic Grow; Sago Palm Asian Scale: Persistent Pest Requiring Vigilant Management; Sago Palm White Substance: Asian Scale Infestation; Volck Oil for Sago Palm Scale: Limited Effectiveness; Germinating Sago Palm (Cycas revoluta) Seeds: Complete Protocol; Protecting Young Sago Palms from Animal Browsing; Sago Palm in Glued-Stone Pot: Break Stones Loose, Repot in Draining Pot with Cactus Mix—Don't Use Moisture-Retentive Soil; Sago Palm Cold Damage Recovery: Patience for New Growth; Transplanting Mature Sago Palms: Why Professional Help Is Essential

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