Certain oil paints are known to provoke lead poisoning, and Rose was particularly susceptible. Diagnosed in his late 20s, he dropped painting for illustration for a while but returned to oils. He eventually suffered a stroke and died a few years later. I have no idea if the stroke was related in any way to lead poisoning.
A brief Wikipedia biography of Rose is here. A slightly more informative one from a museum specializing in California Impressionism is here. There are also books dealing with Rose himself as well as California Impressionism.
Aside from growing up in California, Rose spend comparatively little time in the state. Nevertheless, he created a number of fine plein-air paintings of its coast and a few of its mountains.
When Rose painted this he seems to have been influenced by Bastien-Lepage rather than the Impressionists.
Claude Monet painted poppy fields, and so did Rose.
Giverny fans know that Vernon is the first sizable town downriver on the Seine from Giverny, and a convenient point to get to the south bank.
Monet and many others were entranced by Japan.
I find this interesting because the interior is painted in a crisp style, and the bit shown outside the window is Impressionist.
This is pretty much what the valley still looks like, though a dotting of houses is now evident.
Hmm. 1919. That's the year that the Pebble Beach Golf Links was established. On that distant shore, approximately.
Compared to the Carmel area, Laguna now has buildings covering several of its hills. When Rose painted this, the place was an artist colony.
Scenes from where Rose was born and raised.
One of his later portraits. This and some of the other California paintings indicate a drift from French to American Impressionism with its greater focus on drawing and solidity of subject matter.