Home/Plants/Spiraea/Leaf Spot
coronavirus

Leaf Spot in Spiraea

How to identify and treat leaf spot in Spiraea.

potted_plant

Spiraea care requirements

water
Moderate watering; keep soil consistently moist during growing season; somewhat drought-tolerant once established
soil
Well-draining soil; tolerates poor, sandy, and clay soils; prefers slightly acidic to neutral pH
light
Full sun to partial shade; flowers most abundantly in full sun; tolerates light shade
symptoms

Symptoms to look for in Spiraea

  • fiber_manual_recordCircular brown or black spots
  • fiber_manual_recordYellow halos around spots
  • fiber_manual_recordPremature defoliation
help

Common causes in Spiraea

Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.

healing

How to treat leaf spot in Spiraea

Remove affected leaves. Apply appropriate fungicide or bactericide.

shield

Preventing leaf spot in Spiraea

Water at soil level. Improve air circulation. Practise crop rotation.

Leaf Spot in Spiraea — Symptoms & Treatment | GreenScout