Brussels sprouts Christmas tree
https://www.strikkoteket.no/product/brussels-sprouts-christmas-tree/

In this pattern of the Brussels sprouts Christmas tree, you will be familiar with the Brussels sprout stitch. The stitch is a protruding heart-like Brussels sprout. The protraction of the sprout is the combination of the Brussels sprout stitch and decreases, and the moving starting chain creates the cone structure which is very unique to the Brussels sprouts Christmas tree.
The pattern is one of the series of the Brussels sprouts tree: The Mini Brussels sprouts tree, the Brussels sprouts Christmas tree, and the Giant Brussels sprouts Christmas tree.