1: pliocereus of some sort2: pliocereus of some sort
3: myrtillocactus geometrizans
4: myrtillocactus geometrizans
5: myrtillocactus of some sort
6: stetsonia coryne
hostilis said:Fourth is most likely a stenocereus (maybe dumortierii or griseus).
McCoyBoy said:i have run into a big problem! my cactus is darker at the bottom and when i check firmness it leaves slightly darker spots. i dont water it often at all, but it has been raining more than usual. what to do?