30
Copiapoa haseltoniana, Botanical Garden Berlin
(discuss.tchncs.de)
How old are they?
I have no clue, but I imagine this hard grown clump with multiple stems is several decades old.
Welcome to !succulents@midwest.social, where you can share and converse about anything succulents.
If you’re interested in participating, please subscribe.
Rules: Be respectful and civil. No racism/bigotry/hateful speech.