Gardening: Developing a soft spot for tactile plants

Everyone loves petting zoos, especially kids, and I was just wondering if, maybe alongside them, petting gardens would be appropriate.
A petting garden would feature leaves with furry, fuzzy, bumpy, and leathery textures. Such a garden would not need much water since foliar texture is nature’s way of minimizing moisture loss through leaf surfaces. Shrubs and trees with smooth, spongy, or fissured barks could also be included. For children, such tactile botanical specimens would serve as an