The beauty of Rustic bathrooms is sinking into a scented, warm bath. Perhaps there is soft music playing and the lights are dimmed.
There's nothing like it to ease the stress of a busy lifestyle. Your bathroom is definitely the place to be for peace and quiet...well, in most cases.
You can dream or sing while in the shower or tub. Who cares? It's a special place where you can be yourself, with no one to watch you at your most inhibited.
Your bathroom should be designed for your comfort and needs and fill you with great satisfaction. Don't leave anything to the imagination... make it come to life.
If you envision lots of plants and greenery then go for it...plants thrive in bathrooms and what better place than the rustic bathroom.
Large plants or small plants...check for sizes and of course value...get clippings of all kinds from neighbors who garden, if they're the sharing kind.
You can draw a template of the bathroom and see how much greenery will fit and in what size tubs.