Stenocereus pruinosus - Gray Ghost Organ Pipe Cactus
The Gray Ghost Organ Pipe Cactus is a powdery, gray-green columnar cactus and blooms a white nocturnal flower. Young plants are deeply ribbed and have reddish brown spines, but with time the 5-8 ribs flatten and the spines turn white.
- Light: Filtered Sunlight – This plant needs bright, filtered light with ample airflow so place in front of a window.
- Water: Not Thirsty – This plant can go several weeks without water so only water it when the soil completely dries out.
- Tip: This plant needs porous soil with adequate drainage.