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_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Grevillea
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Grevillea
Remove affected leaves. Apply appropriate fungicide or bactericide.
shield
Preventing leaf spot in Grevillea
Water at soil level. Improve air circulation. Practise crop rotation.