They are the same plant.
Hildewintera is the old name... Unless something has changed since the last time I looked.

Im going to go way out on a limb and say its S. gigantea.

I believe that is Cylindropuntia fulgida v. mammillata f. monstrosa, or Boxing Glove Cholla.

Sue, your plant looks like echinocereus scheeri.
Dave's plant looks like it could be the same, or something along those lines, But I'd wait for flowers.

crassula lycopodioides.
yes, you can trim off what you want without harming it.

I will be there more or less, all day Friday, probably Saturday for who knows how long and then again late sunday.

Well, of coarse I missed it! flowers only open fully for maybe 8 hours?
Here it was late afternoon the 26. and the next morning about 7 am. Haggeocereus is it and I think versicolor v. aureispinus is a good bet.
Thanks for the input everyone.

You will need to see flowers before confirming but it looks like rhipsalis baccifera ssp horrida.

Thanks for the image Tristan!
Still waiting over here.

That's a very clean and efficient setup you have there!
I like your guard as well.

If you have a lot of plants to water, I highly recommend using a large plastic resivoir (I use a trash can) and an electric water pump ( sump pump) with a hose attachment, all of which can be found either at the big home improvement stores or on line. Start by filling the tank with water, add vinega...

I have always thought haageocereus and if i remember correctly, Tristan, you believed it to be H versicolor the last time you visited. But I didn't want to really commit until I saw the flowers. As of this morning they were still closed up, but perhaps they will be open when I get home from work in ...

Finally!!! After waiting 8 years I finally get another clue to what this is. unfortunately the images from the original post above are long gone, but I was able to find another one taken back in 2006. droid images 055.jpg I planted this in one of my first outdoor beds, then it was moved to a pot to...

Both are melocactus ernestii.

I have a few extras. Are you still planning to make it to the inter-city show and sale?