- Recognise it
Keep an eye out for myrtle rust in your garden, local parks, and other green areas. Recognise symptoms so you can help protect our environment.
Plants to check for myrtle rust
Myrtle rust is a serious fungal disease that affects plants in the myrtle family. Some of our most iconic native plants are vulnerable to myrtle rust, including:
- swamp maire
Some exotic species can also get the disease, including ornamental plants like bottlebrush and lilly pily.
List of species found with myrtle rust in NZ
App to help you identify plants at risk | mpi.govt.nz
Symptoms to look for
Look out for symptoms of myrtle rust, including:
- bright yellow powdery eruptions appearing on the underside of the leaf (young infection)
- bright yellow powdery eruptions on both sides of the leaf (mature infection)
- brown/grey rust pustules (older spores) on older lesions
- grey, 'fuzzy' spore growth on undersides of leaves
- some leaves may become buckled or twisted and die off.
Use the images below to help identify myrtle rust