Previous pinner suggests: Could easily be made with hollow box uprights, run the water tube through one and the top hollow box with a PVC tube that you drill holes in for the water to run out. Faux paint it to look like copper, really pretty easy.
I really want to do this. Lavender Hidcote - This easy-to-grow sun perennial thrives in full sun normal garden soil. Plants vigorously grow to form mounds of fragrant, silvery foliage 18 tall 24 wide. This drought-tolerant hardy perennial has extremely fragrant foliage