Euphorbia Species

Central Phoenix -- it was interesting to read the comment that Euphorbia knuthii is growing outside in Tucson. I had assumed it wasn't f...Read Morerost hardy and ours goes into a pop-up plastic greenhouse in the winter. It is only a little over a year old, but seemed unfazed by Phoenix heat or our 27 F winter low. Ours is leggy from getting complete (but bright) shade most of last summer, and some leaves got burned when we moved into the sun this spring, but none of this seems to bother it, and it has new growth.

I have had this plant for years. It's made of steel. Only recently I discovered that they have a gnarly tuberous root that can be raised ...Read Morefor effect. I've left it hanging in a tree over winter and had most of the top growth die. In spring it just comes back.

Grown in strong light the patterning can become stronger and even turn reddish. Unlike some Caudiciform plants, stem cuttings will also produce the tuberous root. Makes a good hanging plant as the stems can become 18 inches long or more and trail down out of the pot.