Here are some more I forgot. For climbing plants: lagenaria longissima (great for making chutney), momordica, luffa, high climbing Indian cress (buds used as capers, leaves as lettuce or tea), semi shade: swiss chard, parsley, coriander, celery, rucula. In full sun you can also have pepino (sort of melon, unripe used as curgette), potato + indian cress, egg plants, portulaca sativa, ocra, tigernuts, saffron, imortelle, yacon, also peperoni like full sun but not drought. I guess kiwi would give quite a shadow, too. Maybe you can grow a strawberry tree (bush) and mastic tree (bush actually, pistacia lentiscus), laurel, too. Happy gardening.