Rust?

Trouble shoot problems you are having with your cactus.
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CosmicSerpent33
Posts: 41
Joined: Tue Nov 15, 2022 10:10 am
Location: North Island, New Zealand - Zone 10b

Rust?

Post by CosmicSerpent33 »

I got this cereus peruvianus last week, and I must have overlooked this. Happy growing folks :mrgreen:
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North Island, New Zealand - Zone 10b
Average annual humidity: 80%
Average Annual precip: 1206mm/48.48''
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ohugal
Posts: 409
Joined: Sun Aug 18, 2019 10:45 am

Re: Rust?

Post by ohugal »

Doesn't look like rust to me. Is your plant in a humid and/or poorly ventilated spot?
Location
Antwerp, Belgium
temperate, maritime climate with mild winters and cool summers
hardiness zone 8a
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CosmicSerpent33
Posts: 41
Joined: Tue Nov 15, 2022 10:10 am
Location: North Island, New Zealand - Zone 10b

Re: Rust?

Post by CosmicSerpent33 »

ohugal wrote: Wed Dec 14, 2022 8:41 pm Doesn't look like rust to me. Is your plant in a humid and/or poorly ventilated spot?
We are having a very humid start to summer here in NZ. This mark was already on the cactus when I brought it from the shop, but I have all my cacti inside a greenhouse that stays open 24/7 and it gets good airflow. However, this past week most days have been at least 90-95 percent.
North Island, New Zealand - Zone 10b
Average annual humidity: 80%
Average Annual precip: 1206mm/48.48''
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