Pocket Botanist
Check these first
- Inspect the undersides of the leaves for orange dust.
- Check if the soil is waterlogged.
- Look for signs of poor air circulation.
Likely causes
Rust Fungus
Most likelyHow to tell: You will see distinct orange or brown powdery pustules on the leaf surfaces.
What to do: Remove and destroy the infected leaves immediately to stop the spread. Improve air circulation around the plant and avoid getting the leaves wet when watering.
Overwatering
PossibleHow to tell: Dark, mushy spots appear on the leaves or stems, often accompanied by a damp soil odor.
What to do: Reduce your watering frequency immediately. Ensure the pot has proper drainage holes and let the top inch of soil dry out between waterings.
Find out what's wrong with your soft brome
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
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When to worry
Rust is serious and can spread quickly to other plants. If you see orange spots, act immediately to isolate the plant.
Stopping it coming back
Water at the base of the plant to keep foliage dry and ensure the plant has plenty of space for air to move around it.
Soft brome: spots? Check yours with a photo
Every plant is a little different. Take a photo of your soft brome and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Is rust harmful to my other plants?
- Yes, rust spores can travel through the air to nearby plants. Keep the infected plant in a separate room until it is fully treated.
- Can I use a fungicide?
- You can use a copper based fungicide if the infection is severe. Always follow the label instructions carefully.
Guides to these causes
More problems with soft brome
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.