What a cute and clever idea! Clear around the planting area, for productive growth of the beans. Greate hideaway for kids in the yard, leave the grass in the center.c- I might do this even if i hate beans!
I mitt paradis: Grindar på plats - driveway yard needs to be this wide, with entry wider. Building in back here would really be a retaining wall to gabion fence above, and maybe a water drain design to the left to go further downhill.