potted_plant
Grevillea care requirements
water
Drought-tolerant once established; water moderately during establishment and growth; minimal watering after maturity
soil
Well-draining sandy, gravelly, or loamy soil; prefers slightly acidic pH; does not tolerate heavy clay
light
Full sun (6–8 hours daily); tolerates partial shade but flowers best in bright light
symptoms
Symptoms to look for in Grevillea
- fiber_manual_recordWhite powdery patches on leaves
- fiber_manual_recordDistorted new growth
- fiber_manual_recordPremature leaf drop
help
Common causes in Grevillea
Caused by various fungal species. Spreads in warm, dry conditions with high humidity nights.
healing
How to treat powdery mildew in Grevillea
Remove affected leaves. Apply neem oil, potassium bicarbonate, or sulphur-based fungicide. Improve air circulation.
shield
Preventing powdery mildew in Grevillea
Space plants for good airflow. Avoid overhead watering. Choose resistant varieties.