Why do my hollyhock leaves turning brown?
Keeping this in view, how do you treat rust on hollyhocks?
Remove infected leaves from plants as soon as the fungus is seen. In winter, when the hollyhock dies down, clear away any infected leaves as they will harbour the fungal infection. Weeds such as common mallow, which are related to hollyhocks, also harbour rust so pull them out if they appear in the garden.
Likewise, how do you treat rust on plants? Treatment
- Select rust-resistant plant varieties when available.
- Pick off and destroy infected leaves and frequently rake under plants to remove all fallen debris.
- Water in the early morning hours — avoiding overhead sprinklers — to give plants time to dry out during the day.
Likewise, what is wrong with my hollyhocks?
Rust, leaf spots and anthracnose are three types of fungus that attack hollyhocks. Rust is a common problem with hollyhocks and can cause the plants to look ragged. Brown, yellow or orange spots appear as the fungus forms and grows. The damaged leaves will fall off as the disease progresses.
What is killing my hollyhocks?
A major problem with hollyhocks is a fungal disease called rust which can survive on infected plant parts from year to year. Other pests such as weevils, caterpillars, and slugs can damage or kill your hollyhocks.