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Leaf Spot in Cardinal Flower
How to identify and treat leaf spot in Cardinal Flower.
potted_plant
Cardinal Flower care requirements
water
Consistently moist to wet soil required; ideal for boggy areas, streambanks, and rain gardens; do not allow to dry out
soil
Fertile, moisture-retentive soil rich in organic matter; tolerates acidic to neutral pH
light
Full sun to partial shade; performs best with at least 6 hours of direct sunlight daily
symptoms
Symptoms to look for in Cardinal Flower
- fiber_manual_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Cardinal Flower
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Cardinal Flower
Remove affected leaves. Apply appropriate fungicide or bactericide.
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Preventing leaf spot in Cardinal Flower
Water at soil level. Improve air circulation. Practise crop rotation.