What is the name of this cactus?

[Ace]

What is the name of the tall cactus, pickle cactus?

What is this succulent, looks like a cauliflower head?

Thank you for your help!

 

[zigs]

Welcome to the forum

Tall one looks like an Arrojadoa aureispina

Arrojadoa Aureispina Cactus – Kens-Nursery

kens-nursery.com

The small one looks like a Mammillaria "Fred"

 

[XxDetrimentalxX]

I dont think the second one is what you suggested. I would say some species of cholla, or something like it.

 

[zigs]

You could be right, could be one of the Austrocylindropuntias

 

[XxDetrimentalxX]

Could be Austrocylindropuntia Cylindrica:

Other than that, I have no clue.

 

[SeniorCitizen]

#1 Possibly Haworthia.