Oh, yes. I do. At least I plant tomatoes in the back of some of my daylily beds. I have a garden bed that runns along side of my driveway and in front of the wooden fence that is my property line. That garden is very ornimental with daylilies, lilies, tall bearded iris, phlox, an ornimental shrub or two and lots and lots of spring bulbs. In a section of it I have tomato plants back by the fence. In fact it worked out so well that I am going to plant the tomato plants there again this year.
Then upstairs in the big, big backyard bed I have my main path that goes thru it. I put up posts and trellis netting and grew cucumbers vertically last summer.I had no place else to put the cucumbers. Well, I am going to do the same this year, already have better (stronger) netting to use. And on the other side of the path, late last summer I moved about 6 iris plants so that I could set a small section of vertical trellis there and get it back out of the pathway. So I have planned already for this year.
In my terraces garden near my kitchen I plan on putting peas in the very back of the main section for an early crop this spring. I moved some of the very back daylilies forward so I could do this as I planned ahead last summer.
So that is a lot of veggies mixed in with my flowers, mainly my daylily beds. And that square garden I had in iris is now totally going to be a veggie garden. Tomatoes on the outside and beans (yard long beans) to be planted in the vertical middle section. I plan on lots of veggies this year.