Monkey Tail Cactus (Rattail) Rescue: Light, Soil, and Cuttings

Aislinn's rattail cactus (Aporocactus flagelliformis) in NW window over heat vent: stems drying, new shoots dying, dry white spots (not scale). Watered biweekly, switched from very little to more water. Potting mix retains moisture.

Core Problems

Insufficient light: Needs direct sun most of day—south/west window uncovered. Not hung above window top.

Wrong soil: Needs very sandy, fast-draining mix. Current mix holds water too long.

Watering: Water thoroughly, wait ~week. Soil dry ½-⅔ down before rewater. Err dry.

Immediate Actions

1. Don't repot—fragile roots, tenuous condition.
2. Improve light dramatically.
3. Dry soil deeply; water minimally.
4. Take 2-inch tip cuttings now: air dry 24 hrs, plant in barely damp cactus mix, warm sunny spot. Insurance policy.

Flowering Potential

If recovers: reduce water fall, 55-60°F nights until buds form, then 70°F + normal water.

Challenging plant—worth the effort for spectacular blooms.