Botanic Garden >> Gardening > >> Question and Answer >> Plant Species >> Cactus

Mealybugs on a First-Time Gymnocalycium baldianum Owner's Plant

A year-old Gymnocalycium baldianum has white cottony blobs—mealybugs. Few spots: dab with alcohol on cotton swab. Many: use combo insecticide/fungicide. Not the owner's fault—cacti attract mealies. Water sparingly. Repot in fresh soil after eradication. Welcome to cactus parenting!

Cactus: Rescuing a Stress-Damaged Columnar Cactus After Relocation; Follow-Up Care for a Toppled Columnar Cactus: Stabilization and Recovery; Identifying a Mystery Columnar Cactus; Saving an Overwatered Gymnocalycium mihanovichii (Moon Cactus); Fixing Severe Etiolation on a Tall Indoor Cactus ("Cactus Jack"); 20-Foot Cactus in New Hampshire: Won't Survive Freeze, Must Cut or Heat; Managing a Ceiling-Hitting Columnar Cactus: Cut or Supplement Light?; Caring for an Unknown "Home Cactus Tree"; Propagating Large Night-Blooming Cereus peruviana; Propagating Mammillaria Cactus Offsets

Garden Articles

Desert Cactus Care in Phoenix: Watering Schedule for Established Landscape Specimens

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Wedding Symbol Cactus Rotting at Base: Overwatering Rescue

Cactus Soil Substitute: Potting Soil + Sand

Barrel Cactus Root Rot: Diagnosis and Limited Options

Tall Cactus with White Base Discoloration: Rot or Sunburn?

Moon Cactus 'Hibotan' (Gymnocalycium mihanovichii 'Hibotan'): The Classic Red Grafted Cactus

Plants

Rescuing an Etiolated Mystery Cactus: Light Rehabilitation Protocol

Pruning Frost-Bitten Candelabra Cactus

Follow-Up: Replanting a Cactus After Rot Surgery

Managing a Leaning Giant Cactus

Identifying a Bromeliad, Not a Cactus

Emergency: Oozing Black Sap on a Large Saguaro

Stabilizing a Leaning Heirloom Columnar Cactus