Saw these blooming on the trail up to inspiration point above Altadena.
Found clinging to the shady side of my truck tire in the early afternoon, Santa Susana Mountains north of Granada Hills/Porter Ranch area. Altitude ~2,400 ft. Eastern side of Limekiln Canyon, near Mission Point.
La Canada-Flintridge, CA. eBird checklist: ebird.org/ebird/view/checklist?subID=S22603284