Hello all:

I found this huge plant collection. They're Sketchup models, but you can easily convert them into DAE models. I tried several and it works fine. Compared to other plant models, they're more sketchy, but the advantage is that they have very small file sizes.

https://www.landfx.com/sketchup/components.php?compfolder=Cacti-Succulents

Happy planting!

Hans