I have been recommended petite butterfly sweet pea shrubs and company them with star jasmine. I would like to know about plant pests and flowering seasons or what plants would be most trouble free that you would recommend
Planting a Parking Strip in San Jose in Full Sun
Certified GKH Gardening Expert
Those are good choices for your area. As for plant pests... tey carry the same risks for the same pests as most plants. I will include an article for both plants, and a link to ways to craft your own pest controls that will help you here.
SweetPea Shrub: https://www.gardeningknowhow.com/ornamental/shrubs/sweet-pea-shrubs/growing-sweet-pea-shrubs.htm
Star Jasmine: https://www.gardeningknowhow.com/ornamental/flowers/jasmine/star-jasmine-as-ground-cover.htm
Organic pest control and overall garden health: https://www.gardeningknowhow.com/special/organic/