Can you use cinnamon to stop infection in cactuses I have one cactus with a sore that's starting to grow its fine otherwise

On the fleshy side I usually sprinkle some cinnamon, just never on the roots. But it depends where is the sore coming from, sometimes I just have to slice off the rotten part and allow the plant to callus and heal on its own.

Cinnamon is a great natural fungicide. But it won't solve your cactus' problem.

Tarev is right. Your cactus will be better off if you remove the "sore" and let it callus over.

Cacti are incredibly resilient and can survive being cut into pieces and re-rooted (if the pieces are properly callused). It won't be so pretty anymore.

You probably won't need to cut it into pieces. Point is, cinnamon is not the answer.

Daisy

I for one don't even pretend to know what a "sore" is on a cactus. Therefore I don't have a clue whether cinnamon would help or not. Alex, perhaps you can be more descriptive and include a picture of the problem.