The Bouldering Garden is a rock climbing gym on St. Charles Road in Columbia that owner Marcus Floyd describes as “a cave of climbing.” “It’s an easy walk-in workout,” Floyd said.

A Japanese Garden designed by John Newman, founder of John Newman Garden Design, on Saturday, Jan. 25, 2020 in Winston-Salem, N.C. (Winston-Salem Journal/Andrew Dye) 20200131w_fea_dixon ...

Smaller boulders, or even stones, can also be added throughout a yard, as you would add garden art, Schmidt said. Holly said he sees some gardeners using small, smooth stones to mark plants.