Plant Care

Brown spots on hosta leaves have several distinct causes, from fungal leaf spot to sunscald. Here’s how to identify which one you have and the right fix.

Black spots on hydrangea leaves usually mean Cercospora leaf spot or anthracnose. Here’s how to identify which fungal disease you have and the right fix.

Brown edges on hydrangea leaves are almost always about water — too little, too much salt, or too much sun. Here’s how to identify which one and fix it.

Yellow leaves on hydrangeas have seven distinct causes, from iron deficiency to overwatering. Here’s how to identify which one you have and the exact fix.

Rust on roses produces distinctive orange powdery pustules, usually on leaf undersides. Here’s how to identify it confidently and treat an active infection.

Black spot is the most common rose disease worldwide. Here’s how to identify it confidently, treat an active infection, and prevent it from returning next season.

Holes in rose leaves usually mean one of three pests. Here’s how to identify the exact culprit from the hole shape and pattern, plus the right treatment for each.