This Once Upon A Time screencap contains
parasol, sunshade, sitka spruce, picea sitchensis, mountain hemlock, black hemlock, and tsuga mertensiana.
There might also be
hemlock, hemlock tree, birch, birch tree, cedar, and cedar tree.
Watch a sneak peek of the Captain Hook's musical number from the Once Upon a Time musical episode event, 'The Song in Your Heart,' Season 6, Episode 20