I have a cactus growing on my south faces balcony and recently it have started growing this small red round like things on it, they have kept getting bigger and bigger I have no idea what they have I have little to no education about cactus can some on tell me what they are.. I would like to post a picture..
I don't know much about Cleistocactus strausii (if that is what it is), but it looks like flowers to me. (Sorry about the late reply, I somehow missed this thread)