Madagascar Palm Trunk Collapse: Overwatering Suspected

A 6-year-old Madagascar palm (Pachypodium lamerei) in SoCal developed sunken trunk areas, leaf drop, and branch drooping after relocation to full sun. Owner suspects water issues.

Diagnosis

Water-related: too much water causes sunken, waterlogged tissue. These plants need very little water.

Care Protocol

• Water only when top few inches of soil are dry.
• Water slowly, thoroughly; empty saucers immediately.
• Winter: no water after leaf drop until spring growth resumes.
• Sunken areas won't recover.

Salvage Option

The upper healthy limb may be cut, callused a few days, treated with rooting hormone, and rooted in sandy soil. Avoid spines and sap. Prognosis guarded.