Disney world does this! Lowes sells the 4 to 6" 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 height and color to a container that has trailing plants (no end cap or rock needed if you are placing in a container)
"Royal Empress Tree...grows 15-18 ft./year. Empress Tree Facts Grows up to 10 feet or more in the very First Season! Explodes with rich lavender flowers that look like Orchids but smell like Jasmine. Grows as far north as Canada and as far south as Mexico.
Newspaper Weeds Away Start putting in your plants; work the nutrients into your soil. Wet newspapers and put layers around the plants overlapping as you go; cover with mulch and forget about weeds. Weeds will get through some gardening plastic; they will not get through wet newspapers.