Fungal disease
Rose black spot
How to recognise it
Black spots with feathery edges, leaves yellow and drop.
What helps
Remove and collect affected leaves, water at the base, choose resistant varieties.
Often a care issue is behind it (watering, light, placement) – the care check in the app helps narrow it down.
Not sure it's this?
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Check a photo – freeTypical organisms: Diplocarpon rosae