Leaves fell with black, soft base = black rot. Degraded mix kept crown too wet. Unpot, check roots (likely also rotted). Soak in Physan 27, repot in fresh mix. But meristem for new leaves is probably gone. Annual repotting prevents this.
Black Leaf Tips on Phalaenopsis: Mineral Buildup and Repotting
Ice-Cube Watering Myth: Use Room-Temperature Water Instead
Wilsonara with Withered Pseudobulbs: Pot Mix Particle Size Issue
Phalaenopsis Won't Rebloom? Light, Feeding & Repotting Fixes
Reviving Store-Bought Phalaenopsis with Root Problems
Phalaenopsis Root Rot: Repotting in Fresh Bark Saves the Plant
Rubber Landscape Mulch for Orchids? Not Recommended
Orchid Drying Out? It's Probably Normal Post-Bloom
Double-Pot Orchid Systems: Convenient but Risky
Phalaenopsis Losing Leaves During Bloom: Crown Rot Risk & Repotting
Bacterial Crown Rot After Repotting in Fine Bark: Physan 20 Rescue
Yellow Leaves on New Phalaenopsis: Normal Aging or Root Issue?
Copyright © www.100flowers.win Botanic Garden All Rights Reserved