Wood chips. Behind the Trellis. With a small hand rake.

That's my guess.

(tip of the hat to the game "Clue")

Or "I'll take 'Trellis Construction' for $200 Alex".

Answer: "What is mulch?"

No hose bibb there but the bench, while originally put in as a purely decorative feature, turned out to be a great place to sit and cool down after a run (for some bizarre reason, my wife insisted I finish my sweating outside). .

Hey, you can stash a little cooler with beer behind the trellis!

"Little cooler" and "beer' are seldom used in the same sentence with the people i know.

Perhaps a hose bib connected to a remote keg....