fungal infection on English Ivy
Quick answer
If your English Ivy has fungal infection, the most likely cause is: Outdoor or dense indoor ivy is prone to Rust (Puccinia) or Anthracnose (Colletotrichum). High humidity and poor airflow allow spores to thrive on foliage.
Start here:
- 1. Prune away all infected material and dispose of it securely.
- 2. Apply a copper-based fungicide or potassium bicarbonate spray.
Why English Ivy gets fungal infection
Hedera helix
Outdoor or dense indoor ivy is prone to Rust (Puccinia) or Anthracnose (Colletotrichum). High humidity and poor airflow allow spores to thrive on foliage.
How to reverse fungal infection on English Ivy
- 1
Prune away all infected material and dispose of it securely.
- 2
Apply a copper-based fungicide or potassium bicarbonate spray.
- 3
Thin the canopy to improve light penetration and airflow.
- 4
Use a backpack sprayer for uniform coverage on large outdoor features.
Keep fungal infection off this English Ivy
Maintain moderate humidity (40-60%) and avoid overhead irrigation. Prune annually in spring. Select rust-resistant varieties.