You put cinnamon on plants primarily on open wounds, such as those caused by pruning or damage, to help prevent fungal infections.
Here's a more detailed breakdown:
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On Open Wounds: Cinnamon acts as a natural fungicide. When you prune a plant or if it suffers an injury (e.g., a broken branch), these open areas are susceptible to fungal diseases. Applying cinnamon powder creates a protective barrier. Use a clean brush or finger to gently dust the cinnamon onto the affected area.
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Around the Base of Seedlings: "Damping off" is a fungal disease that commonly affects young seedlings, causing them to rot at the soil line. Sprinkling cinnamon powder around the base of vulnerable seedlings can help prevent this.
While the reference mentioned deterring large predators like squirrels, rabbits, mice and rats, the primary use for cinnamon on plants is for its anti-fungal properties.
