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Help with disease Identification on Cactus


I need help identifying a possible pest or disease on this cactus. I noticed the gray, pale spots this week.

It is in an indoor setting with a good amount of light. I have a few cactus's with scale bug in the house so it could be early stages of that? Any thoughts?


Green Thumb
Posts: 437
Joined: Fri Nov 12, 2010 4:04 pm
Location: NE-PA(Zone 6a-5b)

Re: Help with disease Identification on Cactus

That or just mineral deposits from water. Do you keep them outside, or do they get a water spritsczing? Pests are always possible, so keep eyes on her. Looks OK to me right now though.

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