Snake Plant (Mother-in-Law's Tongue) Collapsing: Scale or Fungus

10-year, 6-ft snake plant: spears separate from shriveled roots. Insecticidal soap didn't help.

Dual Approach

Spray thoroughly with horticultural oil (for scale) + Neem (for fungus/mites). Can mix.
Repeat several times.
Dead scale wash off with water.
Discard shriveled roots; repot if soil exhausted (they bloom when rootbound but can pull loose).
Empty saucer after watering.

Covers both likely causes.

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