There were some crochet work around a tree I would like to know how
Is this the project that you are looking for: https://www.hometalk.com/2632517/a-trio-of-pretty-christmas-trees?
here is a different crochet tree project https://www.hometalk.com/11092893/crochet-christmas-trees
I'd find the original post you were looking at and view their directions
You can find a lot of crocheted christmas trees online, you might find the one you are looking for, pinterest, etsy, ravelry and leisure arts all have patterns. It just depends on how elaborate you want your tree to be
Perhaps you are referring to yarn bombing. Go to wikiHow.com. or even just Google and search for yarn bombing and you may find what you are looking for.
everyone is posting crocheted trees. Are you looking to for a tree or a tree skirt?