13-Year Cactus Turning Brown/Soft at Base: Cut Above Rot, Re-root

Long-Term Cactus Rotting at Base—Overwatering Suspected

13-year-old cactus brown/soft at base. Owner asks how to save it.

Cut 6 inches above rot, callus 2 weeks, plant in cactus mix, water then dry between waterings. May root in 1+ month.

Cactus: Corking vs. Rot: Diagnosing Brown Base on Tall Cactus; Corking on Mature Euphorbias; Diagnosing Blue Tips on a Mature Cactus: Light Burn vs. Rot; Moon Cactus Brown Spots and Pale Growth: Healing Scars and Light Adaptation; Castle Cactus Corking: Normal Healing, Not Disease; Small Orange Cactus Black Spots After Vacation: Overwatered, Let Dry, Watch Spots; Arkansas Cactus Frostbite: Wait Until Spring to Assess; Salvaging a Tall Rotting Cactus: Cutting, Callusing, and Re-rooting; Cat Contamination in Cactus Pot: Black Stem Rot Requires Top Cutting; Mock Orange After Freeze: Wait and Prune Dead Wood

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