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Barrel Cactus Plants

Q.barrel cactus

Zone 93444 zip code | Anonymous added on November 27, 2017 | Answered

Can you please help me? I bought a barrel cactus with a thin rim of brownish spots along the crown. The “spots” have spread. I love this plant. Do you know what’s wrong and how I can treat it? Thanks for helping. I appreciate it.

Brooke