Saving your back is just as good a reason; you;’ll be glad for that, at least. And you will get way fewer weeds, to boot. Can you add some kind of mesh tent that can be anchored down, but lifted away when you’re actually tending to your plants?

All my garden is in pots and planters, some raised up, but I don’t have bunnies. Or squirrels, actually.

One of the deals with bunnies is that if they don’t know something delicious is there, they won’t go exploring/puzzling nearly as aggressively as they do after they have discovered something is there. I’m wondering if you could put something mildly discouraging re: a leap into the unknown – a short plastic mesh fence? a string with deer flags on it? – all the way around the planters, but also I don’t know the best ways to make bunnies think that something is, nah, not worth it.

In our community garden, where bunnies and groundhogs could get in through the outer fencing, a 3′ wire fence with 6″ of it buried underground around my plot was enough to stop rabbits [barring that one tiny one that squeezed through the fencing one year and ate one carrot top per day until it outgrew the fence holes] from getting in – that said, 1. they hadn’t learned that our plot was delicious, and 2. there were many largely undefended, also delicious garden plots available, and 3. it’s one thing to jump once; it’s another thing to jump into a wire-fencing box that you might need to urgently jump out of again if a hawk/etc. appears.

They are a lot more likely to hop low distances to places they can see, than to hop unknown distances straight up – if nothing else, they can’t know whether there’s already a cat hanging out up there – so that might also be a reason for the kinder-to-the-back planters…

But, fundamentally, who knows. And good luck! 🙂

I’ve no personal experience, but found this: https://www.ollegardens.com/blogs/news/how-high-does-raised-garden-beds-need-to-be-to-keep-rabbits-out

Good luck!