Looks a lot like one of the rhodantha clan.

Are the babies the same species as the first two shots?

Might have been me suggesting caution. Sufficiently dilute vinegar would not be any more harmful than rainwater but there is a point where strong enough vinegar would certainly damage the plant. Somewhere in between is something strong enough to remove limescale and weak enough not to damage the pla...

Here's the Trichocereus that I won in the branch raffle and was tentatively identified as T. bridgesii. It has developed nicely over the summer showing what I would hope is normal growth. What think you on the ID now? T. pachanoi? [img]http://www.galleries.thegardenforums.org/d/8381-1/trichocereus1....

Very strange!

Echinopsis subdenudata.