potted_plant
Blueberry care requirements
water
Regularly; keep moist. Use rainwater or acidic water.
soil
Very acidic (pH 4.5–5.5), peaty, well-draining.
light
Full sun to light shade.
symptoms
Symptoms to look for in Blueberry
Small circular brown or reddish spots on leaves, sometimes with a lighter centre, occasionally leading to premature leaf drop in humid years.
help
Common causes in Blueberry
Fungal leaf spot pathogens favour wet foliage and humid, still air — blueberry's naturally dense, twiggy growth can trap moisture around the leaves if the bush isn't pruned to allow airflow.
healing
How to treat leaf spot in Blueberry
Remove and destroy affected leaves, improve airflow by pruning out crowded interior branches, and apply a fungicide labelled for blueberry leaf spot if it's spreading.
shield
Preventing leaf spot in Blueberry
Prune annually to maintain an open growth habit, water at the soil level rather than overhead, and clean up fallen leaves each autumn.