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Leaf Spot in Brunnera, Siberian Bugloss

How to identify and treat leaf spot in Brunnera, Siberian Bugloss.

potted_plant

Brunnera, Siberian Bugloss care requirements

water
Moderate, consistent moisture; keep soil evenly moist; reduce watering in winter
soil
Rich, well-draining soil with organic matter; pH 5.5–7.0
light
Partial to full shade; prefers dappled sunlight; tolerates deep shade; foliage variegation best in partial shade
symptoms

Symptoms to look for in Brunnera, Siberian Bugloss

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

Common causes in Brunnera, Siberian Bugloss

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

healing

How to treat leaf spot in Brunnera, Siberian Bugloss

Remove affected leaves. Apply appropriate fungicide or bactericide.

shield

Preventing leaf spot in Brunnera, Siberian Bugloss

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