A couple more thoughts... add some penstemon and Hibiscus - those great big flowered ones. The Hummers are attracted to the sun and often don't notice the plants in the shade. I also have plants (and bird feeders) that attract other kinds of birds - there's just not enough hummingbird activity for an entire garden to themselves. Hummers don't share well with other hummers. If you're lucky, the hummingbirds (and other types of birds as well) will decide to nest in your yard. Then they like the shade with maybe some morning sun. In my yard, they nest in the lowest branches (eye height) of the redwood trees and in the bamboo but always near the pond on the other side of the yard from the wild flower garden. Even if you aren't going for nesting birds, don't forget to add a water source.
Watering plants every two weeks, even once established, in our dry heat is impractical. I have the same plants and have to water at least once a week, usually twice.
Depending upon where you are in Sacramento, there may be a layer of hardpan under your lawn. And your soil will probably be high in salts from all the river silts. (I'm a native of Sacramento)
Even if you aren't going for nesting birds, don't forget to add a water source.
