I started growing a small variety of different cacti about a year ago. I have a loph and another stone type cactus sitting by my window, these guys don't grow so fast so I'm not going to rush them. Then I have a t. peruvian, t. pachnoi and a t. bridgsii growing outdoors and they have doubled in height in 1 year, bearing in mind they came as 3" seedlings that I had to repot, I think they've done pretty well.
I keep all my columns by a cold north facing window in the winter and I don't water them late october through feburary. As a beginner I'm quite proud of my efforts so far.
I also have a variety of different strains of peruvian seeds which I am hoping to germinate soon. Though I still haven't got that part down yet, but someday I'm going to be surrounded with green glory. Mark my words
