Plumeria White Dots: Scale or Whitefly, Not Fatal

Identification

White dots on leaf undersides that wash off leaving dark spots = scale insects or whitefly nymphs.

Treatment

1. Swab/spray with isopropyl alcohol.
2. Wait 1 hour; hose off.
3. Repeat weekly until clear.

Plumeria Real Killer

Overwatering rots roots. Keep dry in winter. Fungal "frangipani rust" (orange powder) is seasonal and hard to control; plant defoliates naturally.