Beyond creating plants, animating their growth was always a big favor to me. Using 3dsmax grow fx plugin I could achieve plant design and growth animation but I need more in depth control over behavior of branches and leave distribution methods ,as you know creating an animated plant with over 200 million polys with simple methods is fairly impossible. Using Houdini I could use different techniques for generating branch and leaves like instancing and making any parameter affect sub branch behaviors. 
its still in development and being tested in some of projects I work in.
Hope you like it ;-)

I've also tried this tool to create abstract works.

I could also adopt it to some creative ideas about nature based tv commercials. ;)

I'm still working on this tool to make it available for public use ASAP .
Thanks for visiting.