Echinopsis chamaecereus
I have them for more 35 years

Trichocereus pachanoi
9 months old

Also, I need help with this cactus, I rescue this from my niece.

I have this cactus for more then 30 years. Pictures are resaized many time to be posted on forum and quality is realy bad. Cactus are very healty. During winter time, thay are stored in my storage room for protection from frosting. From early spring time to winter, they are outside exposed to sun. I...

My lophophora wiliamsii
I have this cactus about 25 years, second is capitosa, and first picture is cutings from cactus on third picture.

This is my first post. I have this cactus long time, but thay never flowering. Which kind of cactus thay are?