warning
Brown Spots in Spiraea
verifiedReviewed by the GreenScout Team
Spiraea japonica is a compact deciduous shrub prized for its delicate, feathery pink or white flower clusters that bloom throughout summer on arching stems
potted_plant
Spiraea care requirements
These care conditions are most relevant to brown spots in Spiraea. Check each one as a potential cause.
light_mode
Light
Full sun to partial shade; flowers most abundantly in full sun; tolerates light shade
water_drop
Water
Moderate watering; keep soil consistently moist during growing season; somewhat drought-tolerant once established
humidity_percentage
Humidity
Average humidity; tolerates dry conditions once established
symptoms
Symptoms to look for in Spiraea
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
help
Common causes in Spiraea
- fiber_manual_recordFungal leaf spot
- fiber_manual_recordSunburn
- fiber_manual_recordBacterial blight
- fiber_manual_recordCold damage
troubleshoot
How to diagnose brown spots in Spiraea
Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.
healing
How to treat brown spots in Spiraea
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
shield
Preventing brown spots in Spiraea
Avoid direct midday sun. Improve air circulation. Water at soil level.