Paint choice is less significant than primer choice. Based on some
recommendations from a few local contractors, I used Glidden Gripper
Primer from Home Depot .. .. .. works GREAT !! !! !!

Jim wrote:
Created a hanging garden setup using PVC pipe and a couple plastic 5 gal
buckets. Technically fine but ugly white. Wondering what paints work
best in exterior situations? Based on the size spray or brush would be
equally usable. Wish to get one or two seasons at least though.