# Brown Spots on Hydrangea Leaves

> Hydrangea leaf spots likely mean fungal infection or pest damage.
- Title: Brown Spots on Hydrangea Leaves · Birds and Blooms | Shortify
- Summary: Hydrangea leaf spots likely mean fungal infection or pest damage. Brown spots on hydrangea leaves indicate fungal infection or pest damage requiring removal…
- Keywords: hydrangea, leaf spots, fungus, mites, aphids, hydrangea care, Brown, Spots, Leaves, Birds and Blooms
- Source: Birds and Blooms — https://birdsandblooms.com/gardening/flower-gardening/brown-spots-hydrangea-leaves
- Author: Emily Hannemann
- Published: 2026-10-12T19:44:43+00:00
- Read time: 1 min
- Topics: hydrangea, leaf spots, fungus, mites, aphids, hydrangea care
## Brown Spots on Hydrangea Leaves
Brown spots on hydrangea leaves suggest fungal infection.

> Hydrangeas are susceptible to several leaf spot diseases caused by different fungi.
## Fungus Causes Leaf Damage
Hydrangeas are susceptible to several leaf spot diseases caused by different fungi.

> Keep your plants healthy, avoid overhead watering and remove infected leaves at the end of the season to reduce the risk of infection next year.
## Pest Damage Signs
Mites and aphids cause leaf discoloration and curling with honeydew.

> Mites and aphids are pests of hydrangeas that also contribute to leaf damage.
## Treatment Options
Apply organic insecticidal soap or horticulture oil for pest control.

> If intervention is needed, start with a strong blast of water to dislodge some of the mites and aphids.
## Key takeaway

Brown spots on hydrangea leaves indicate fungal infection or pest damage requiring removal of infected leaves and fungicide application.