Question: I have a 16yr old 7 foot tall saguaro cactus we purchased from a private owner. He said 10 years …
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Question
I have a 16yr old 7 foot tall saguaro cactus we purchased from a private owner. He said 10 years ago he sprayed miracle grow on it and it created a dry brown flaky spot. We repotted in a mix of potting soil, perlite, gravel, sand, and charcoal. Should I be concerned about the flaky spot? I know they are hardy, but we want RosaBella (the name we gave her) to be healthy. The brown spot starts just below the arms on the one side and finishes just above the smallest arm.
Answer
Dear chendrix737@gmail.com, good afternoon. I'm sorry I can't help you with your question. This needs to be directed to someone with expertise in the cultivation of cacti of the southwestern United States. I have seen Carnegiea gigantea often when I visit AZ, and most specimens did not have the flaky area you note. I encourage you to seek out a cactus growing group to help find answers to your question. Good luck.
