Visit the CALSCAPE Garden planner to select the best plants for your area:

https://gardenplanner.calscape.org/

You will be able to download a pdf of the best plants according to your location and preferences. For example, if I want to know the best plants for Agua dulce to attract pollinators, it gives me these list of plants:

According to Calscape there’s 28 trees native to Agua Dulce, CA:

Coast Live Oak Quercus agrifolia

Fremont Cottonwood Populus fremontii

Blue Oak Quercus douglasii

Western Sycamore Platanus racemosa

Blue Elderberry Sambucus nigra ssp. caerulea

Big Leaf Maple Acer macrophyllum

White Alder Alnus rhombifolia

Scrub Oak Quercus berberidifolia

Nuttall’s Scrub Oak Quercus dumosa

Foothill Pine Pinus sabiniana

Red Willow Salix laevigata

Hollyleaf Cherry Prunus ilicifolia

Arroyo Willow Salix lasiolepis

Southern California Black Walnut Juglans californica

California JuniperJuniperus californica

Goodding’s Black Willow Salix gooddingii

Canyon Live Oak Quercus chrysolepis

Oneneedle Pinyon Pine Pinus monophylla

California Ash Fraxinus dipetala

Black Elderberry Sambucus nigra

Sandbar Willow Salix exigua

Chokecherry Prunus virginiana

Interior Live Oak Quercus wislizeni

Western Chokecherry Prunus virginiana var. demissa

Bigcone Douglas Fir Pseudotsuga macrocarpa

Interior Live Oak Quercus wislizeni var. frutescens

Fremont Cottonwood Populus fremontii ssp. fremontii

Alvord Oak Quercus alvordiana