A really simple ring designed in OpenSCAD.  Source is included.  It can be used to support any type of slender, vertically growing plants that want to tip over or have leaves that want to bend.  I made this for all the Amaryllis plants we have.  Works great.  Just use some bamboo skewers (souvlaki skewers) as the legs – the pointy bits go in the holes in the ring.

There's a 2nd ring labeled “double holes” and that is so that you can use it as the first ring and mount another ring above it.  It looks kinda sketchy in the photo, but it works.