For a zone 10b space with only a few hours of sun, I’d lean into layered tropical foliage like bromeliads, ferns, hostas, and variegated shade plants because they’ll still give you texture and color without needing full sun all day. I also like keeping the planting dense along the fence line like this since it makes the patio feel way more private and lush without overwhelming the space. here’s a layout I put together
https://app.neighborbrite.com/s/rfkp1oAg4mf