Border columns made with wood post placed in flower beds close the walk are beautiful, add lots of interest to the garden Place a big container of pretty flowers on top of the post. maybe could use pvc pipes w flower basket set on top?
PVC Pipe Planter Disney world does this! Lowes sells the 4 to round PVC pipe with holes already drilled. Purchase an end cap, fill with rock, soil, and plant. I will often put these in the center of a very large pot to stabilize, and add amazing heigh