Spiritual garden?
Care to share what's spiritual gardening?. I've never heard of it before
Indeed something as River said.
I have a Spiral of Archimede, geometrically correct, of some 3,5 meters diameter so you can walk it. If you walk it you feel energies, and as you walk you turn inward more and more. When you stand in the exact middle of that spiral you are a perfect conduit between the Cosmic and Earth energies which feel absolutely wonderful!!
I also have a large Yin & Yang symbol, approx 2 meters diameter, with a Quan Yin statue near by (female Buddha, Goddess of mercy & love). A Fairy & gnome garden, and a Buddha section where I like to sit whenever I light the fire pit. The wall behind Buddha is partially silver, deliberately done as it reflects the orange of the fire in the pit. And so on.
So it's a garden with sections of different energies and meanings. The plants in each sections are chosen for the energies, like bamboo in the Quan Yin area and nice colourful flowers in the Faery garden.