Sago Palm Yellowing: Not a Pine, Check for Nutrient or Rot Issues

“Sago pine” is likely a sago palm (cycad). One-sided yellowing on a 7-year-old plant suggests nutrient deficiency, root rot, or cycad scale—not a pine disease.

Resources

Detailed cycad troubleshooting: Jungle Music Cycad Guide

Common Causes

• Manganese deficiency (frizzle top) – new growth yellow, frizzled.
• Root rot from poor drainage.
• Cycad scale (white, fuzzy on leaf undersides).

Action

Identify exact symptoms via the guide. Treat based on cause: manganese sulfate drench, improve drainage, or horticultural oil for scale.