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Old Man Cactus (Cephalocereus senilis) is a popular succulent known for its soft, hair-like spines that resemble a white beard. Proper care includes regular pest inspections to keep it healthy and thriving. This seasonal checklist helps you identify and manage common pests throughout the year.
Spring Pest Checklist
- Inspect for Mealybugs: Look for white, cottony spots on the cactus surface and base.
- Aphid Detection: Check for small green or black insects on new growth.
- Fungus Gnats: Observe soil surface for tiny flying insects.
- Signs of Scale: Look for small, brown or gray bumps on the cactus ribs.
Spring Pest Management Tips
- Manual Removal: Use a soft brush or cloth to remove visible pests.
- Insecticidal Soap: Apply to affected areas to control soft-bodied pests like aphids and mealybugs.
- Soil Care: Ensure proper drainage and avoid overwatering to prevent fungus gnats.
- Quarantine: Isolate new or infested plants to prevent pest spread.
Summer Pest Checklist
- Monitor for Spider Mites: Check undersides of the cactus for fine webbing and tiny red or yellow mites.
- Fungus and Bacterial Infections: Look for soft, darkened areas or rot, often caused by excess moisture.
- Inspect for Scale: Continue to look for small, immobile bumps on the cactus surface.
- Check for Snout Beetles: Watch for small, shiny beetles that may chew on the cactus ribs.
Summer Pest Management Tips
- Increase Air Circulation: Ensure good airflow around the plant to reduce pest habitat.
- Use Neem Oil: Apply as a natural pesticide against mites and beetles.
- Maintain Proper Watering: Avoid overwatering to prevent fungal issues.
- Regular Inspection: Check frequently for early pest signs.
Fall Pest Checklist
- Reassess for Overwintering Pests: Look for pests that may have survived summer, such as scale or mealybugs.
- Inspect for Fungal Growth: Check for signs of rot or mold due to seasonal humidity changes.
- Check Soil and Roots: Examine for signs of root aphids or other subterranean pests.
- Assess Overall Health: Ensure the cactus is free of pests before dormancy.
Fall Pest Management Tips
- Clean and Prune: Remove dead or infested parts to prevent pest spread.
- Apply Preventative Treatments: Use horticultural oils or neem oil as a preventative measure.
- Adjust Watering: Reduce watering frequency to prepare for dormancy.
- Store Properly: Keep the cactus in a dry, well-ventilated area to minimize pest issues during dormancy.
Winter Pest Checklist
- Inspect for Indoor Pests: Check for pests brought indoors, such as scale or mealybugs.
- Monitor Humidity: Keep humidity low to prevent fungal and pest problems.
- Maintain Cleanliness: Regularly clean the cactus and surrounding area.
- Isolate New Plants: Keep new or recovered plants separate until pest-free.
Winter Pest Management Tips
- Use Insecticidal Soap: Treat any pests found during indoor inspections.
- Maintain Dry Conditions: Avoid overwatering to prevent fungal and pest issues.
- Regular Monitoring: Check plants weekly for early pest detection.
- Proper Ventilation: Ensure good airflow to reduce pest habitat indoors.