How to identify and treat spots on orchid leaves – brown or black
It’s worrying when you find spots on your orchid leaves. The spots may be brown or black or in transition between the two colours, with a few more thrown in. Here are three of the primary diseases – Botrytis, Black rot and Bacterial brown spot – that cause spots on orchid leaves, how to recognise them and what to do about them. Botrytis on orchid leaves What is botrytis? Botrytis is a fungal disease that affects many plants. If your…