How to Identify Houseplant Disease

Is your houseplant suddenly dropping leaves, getting spots, or just looking sick? Plant diseases can strike fear into any plant parent's heart. One day your plant baby is thriving, and the next it's on the decline! Plant diseases happen to the best of us. Even expert growers deal with fungal, bacterial, and viral plant infections. The good news is that many common houseplant diseases are treatable if caught early. But plant friends, you need to first know how to accurately identify them.In the third episode of the Grow Better series with my dear friend, Leslie Halleck, we explore how to spot symptoms, diagnose plant illnesses, build a first aid kit, and nurse your plants back to health.
In this episode, we learn:[07:00] What is a plant disease?[09:55] Why do plants get these diseases? (the disease triangle)[11:47] Factors involved when a pathogen meets a host[13:11] Difference between signs and symptoms[16:36] Challenges of identifying plant symptoms[20:17] Is it enough to know what the disease is before you start treating it?[20:51] General guidelines for identifying different types of diseases (fungal, viral, and bacterial)[24:37] What are some common misconceptions about bacterial and fungal disease infections?[28:19] Disease #1 Powdery Mildew[30:46] Enjoy a 15% discount on Soltech’s Grove LED Bar Light as a member of the Growing Joy community![32:30] Does the idea of gifting mindfulness through resonating wind chimes intrigue you?[34:30] Disease #2 Molds[38:12] Disease #3 Leaf spots[41:14] Importance of having fungicides in a houseplant care kit![43:14] Disease #4 Root rot[45:05] Considerations for propagating specific species (e.g., African violets)[48:23] Why do viruses generally have no effective treatments?[48:43] What are the go-to resources for diagnosing plant disease?[56:26] What is the best course of action for treating black rot on a Dracula or any orchid?[59:25] Keep your plants healthy by practicing prevention and environmental management
Mentioned in our conversation:Leslie Halleck’s BooksDavid Gerald Hessayon Books
For disease-specific treatment guides,check out the full show notes and blog here!
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