Desk Cactus (Grafted Orange Top) Unwatered Year: Water + Fertilizer May Revive, But Graft Shortens Life

3-Ft Grafted Cactus at Desk, No Water ~1 Year, Stem Brown-Green, Orange Top Brown/Spotted

Owner in glass pot with soil/sand asks if savable.

Greg: water when soil dry. Add fertilizer. But grafted orange top lacks chlorophyll—short lifespan regardless.

Cactus: Basal Rot in Mystery Cactus: Photo Needed for Species-Specific Rescue; Barrel Cactus Rotting from Top Down After Moving Indoors: Can It Be Saved?; Leaning Saguaro Near Irrigated Lawn: Root Rot and Professional Move; Opuntia Base Corking vs. Rot: The Pencil Test; Aging Senita Cactus and Prickly Pear Decline: Natural Senescence vs. Environmental Stress; Euphorbia ingens vs. Cereus peruvianus: Frost Damage, Latex Rot Risk, and Selective Pruning; Moon Cactus Rootstock Rot: Scion Regraft Only Option, Myrtillocactus Best Rootstock; Tall Cactus Basal Rot: Thin Species = Cut and Root, Fat Species = Lost; Euphorbia Cold Damage: Fast Rot Spread, Basal Damage = Likely Loss; Barrel Cactus Basal Rot: Water-Retentive Soil Killed It, Porous Mix Required

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