Timelapse:
I bundled a handful of prompts together for this one so I am covering 6-sided (with the floor), round (with the spiral staircase), Red (with the flower), and Green (with the foliage).
Partly this was just a fun experiment to see how far I could push Geo Nodes in its current state but also an excuse for me to test out a bunch of different methods at making systems that generate lots of things in parallel.
I know there’s some proposal for loop nodes but right now, all we can do is use the instancing system and some maths to process lots of data in parallel. I was getting pretty close to something but it definitely needs more work.
I was leaning on my toolkit add-on a lot (a bunch of premade group nodes) and otherwise it’s just 100% good ol’ fashioned noodling.
For anyone interested the Flower Shop node tree has 4127 nodes including group contents and it performs terribly 
Feel free to grab the file here: https://www.patreon.com/posts/flower-shop-file-58674994
Unfortunately you won’t be able to zoom out far enough so here is the full tree as well:
And a couple of extras:
