There is definitely a place for the wacky or whimsical, like this bottle tree. Uninhibited works of art are ideal for the vegetable patch or the herb garden, where they are guaranteed to put a smile on your face each time you're harvesting salad ingredients.Plant choices should show off the best of your ornamentation, adding up to an artistic sum that is more delightful than its individual elements. Similarly, if your garden requires something useful, like stakes to hold tall lilies or dahlias, choose supports that are both decorative and functional.