Fredwina, are those YOUR cacti in the pots on the wall there? How lovely!
I also can't believe all those great cactus out there growing in the streets....amazing!
Here is a pretty picture of a group of my cacti catching the afternoon sun...
Yes, they're mine! all mine ......
with only 8 inches of annual rainfall and 40+ days of 100F temperature. it's easy!
It's just a lot of folks opt for the generic suburban look