|steel prickly pear|
Especially the cacti and succulents.
(Did you know that all cacti are succulents but not all succulents are cacti?)
I told her it was a modern miracle that one could now grow steel cacti and succulents.
As if the real ones aren't sharp enough!
However, these need no watering at all which is helpful when there's a drought.
What will they think of next? Internal combustion engines?