What you will see
White powdery patches on leaves, stems and flowers, often on the upper side of the leaf; leaves stunted or distorted.
The source says: honey locust is susceptible to powdery mildew, among others.
When to look
From spring onwardsHow to protect
- Prevention
- Plant in sun; avoid still, enclosed spots by a wall or fence.
- Water in dry spells; do not overdo nitrogen feeding.
- Thin the crown and water at the roots in the morning.
- In fall, collect and destroy affected fallen leaves (reduces spores in spring).
- By hand as soon as noticedCut off affected shoots straight away and clean your tools. Fungicides are not recommended.


















