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Brown Spots in Philadelphus
verifiedReviewed by the GreenScout Team
Philadelphus coronarius, commonly known as Mock Orange, is a vigorous deciduous shrub celebrated for its powerfully fragrant, pure white flowers blooming in late spring to early summer
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Philadelphus care requirements
These care conditions are most relevant to brown spots in Philadelphus. Check each one as a potential cause.
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Light
Full sun to partial shade; prefers at least 6 hours of sunlight daily; tolerates light shade
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Water
Moderate watering; water regularly during establishment and growing season; fairly drought-tolerant once mature
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Humidity
Average humidity; no special requirements
symptoms
Symptoms to look for in Philadelphus
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Philadelphus
- fiber_manual_recordFungal leaf spot
- fiber_manual_recordSunburn
- fiber_manual_recordBacterial blight
- fiber_manual_recordCold damage
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How to diagnose brown spots in Philadelphus
Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.
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How to treat brown spots in Philadelphus
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Philadelphus
Avoid direct midday sun. Improve air circulation. Water at soil level.