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Black Spots in Plum Tree
verifiedReviewed by the GreenScout Team
Plum is a deciduous fruit tree growing 15–30 feet tall, producing clusters of white or pink flowers in spring and sweet, juicy stone fruits in summer
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Plum Tree care requirements
These care conditions are most relevant to black spots in Plum Tree. Check each one as a potential cause.
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Humidity
Moderate humidity; good air circulation prevents fungal infections and encourages strong growth
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Water
Regular, consistent watering during growing season; reduce frequency in dormancy; avoid waterlogging
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Temperature
Hardy in cool to warm climates; requires 200–1000 chilling hours depending on variety
symptoms
Symptoms to look for in Plum Tree
- fiber_manual_recordBlack or dark brown spots
- fiber_manual_recordSpots with yellow halos
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Common causes in Plum Tree
- fiber_manual_recordFungal disease (black spot)
- fiber_manual_recordBacterial infection
- fiber_manual_recordSunburn
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How to diagnose black spots in Plum Tree
Fungal spots: often circular with yellow margins. Sunburn: irregular bleached patches turning black.
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How to treat black spots in Plum Tree
Remove affected leaves. Apply fungicide. Adjust sun exposure.
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Preventing black spots in Plum Tree
Avoid wetting foliage. Provide adequate spacing. Remove debris.