Fall and spring Desert Marigold Baileya multiradiata or desert marigold is a fast-growing perennial that blooms just about all year, slowing only in cold weather. Flowers bright yellow. 2-foot tall flower stalks with tube shaped red flowers. Blooming from March through June. It blooms all summer, with clusters of yellow flowers adorned with protuding, bright red, 4-5 inch long stamens.
Flowers attract hummingbirds.
Rubber Rabbit Bush Chrysothamnus nauseosus or rubber rabbit bush displays bright yellow flowers that create a stunning bloom fest from September through November. Arizona Rosewood Vauquelinia californica or arizona rosewood can be planted in tree or shrub form. Works in a courtyard or near a pool. Also good accent plant. Spring only Arizona Sycamore Platanus racemosa wrightii - Arizona sycamore is a fast growing stately tree, common along watercourses in the upper Arizona desert.