Home > Question >

What causes orange spots on the leaves of a Rose of Sharon bush?

Our Advice:

Rose of Sharon (Hypericum calycinum) will thrives in most areas, but can suffer from fungal rust, especially if it is grown in hot, dry conditions. Spray with Fungus Fighter Plus (Bayer) or Bug and Fungus Killer (Doff), from spring onwards. Regular watering in dry weather will help.

Here are some related questions:

Not what you are looking for?

If you can't find what you are looking for on the website then you can ask one of our experts. To get in touch with us Click Here

We will try to get back to you with an answer as soon as we can.

Here is some more information for you:

Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.

Ask another gardening question:

Learn More About Pests and Diseases

Gardening Projects for September

---

How to turf a lawn

How to make the most of your dahlias

How to care for your lawn in Autumn

How to plant through weed-suppressing membrane

Latest Gardening Videos

---

Why are my pansies and violas wilting?

When is the best time to prune my bottle brush plant?

How do I 'thin' grape bunches?

How to Take Care of Spring Flowering Bulbs

Planting a Spring Flowering Container

Five Essential Tips for Growing Lemons

All Videos

Explore Gardens from Around the World

Royal Botanic Garden Sydney
Sydney, Australia

Shinjuku Gyoen National Garden
Tokyo, Japan

Kirstenbosch National Botanical Garden
Cape Town, South Africa

Rio de Janeiro Botanical Gardens
Rio de Janeiro, Brazil

Saint Petersburg Botanical Garden
Saint Petersburg, Russia

Gardens of the Generalife, Alhambra
Granada, Spain