Red→brown progression down spike = natural dieback. Cut at base.
Roots that fed them are dead. Leaves will yellow/drop. Focus on new roots → new leaves.
Brown Scaly Bumps on Schefflera: Scale Insect Infestation
Black Spot on Cymbidiums: Fungus vs. Virus
Nepenthes Shipping Damage: Leaf Scars, Not Pests
Venus Flytrap Leaves Turning Brown—Normal or Problem?
Ponytail Palm Brown Leaves: Normal Shedding or Root Rot?
Crape Myrtle Brown Leaves: Heat and Drought Stress
Reviving a Clearance Phalaenopsis with Root Rot in Moss
Waterlogged Orchid Leaves: Assessing Root Rot and Recovery
Phalaenopsis in Sphagnum Moss: Droopy Leaves, Root Rot Risk, Repot After Bloom
Phalaenopsis Keiki on Old Spike: Leaves First, Roots Follow
Year-Old Phalaenopsis: No Rebloom, Limp Leaves, Overwatering
Keiki on Phalaenopsis Stem: When and How to Separate Baby Orchids
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