We need a lot more info and honestly the best info you will get is from a garden center in your area.It is impossible to tell without seeing how this space relates to the whole house .

It looks like you have a heating unit as well. We need to see the full wall. A low fence might be more attractive. Is this on the front of the house? Paint that conduit the color of the house.

You could use some lattice painted the same color as the brick to hide the hoses.

or this would encompass the whole area including A/C