The planter is basically a small raised bed. my version: a series of small mosaic beds in the side yard, separated with thyme, large urns full of cascading plants, & handmade hexagonal stepping stones.
In the old jewish quarter of Seville is the hotel Casas de la Juderia. It is made up from six or seven houses each with their own small courtyard garden. The Moorish influence can be seen in all the gardens.