These shots are from the San Francisco Arboretum, San Francisco Japanese Tea Garden, Filoli (a once-private estate, in Woodside, California), Luther Burbank Home & Gardens (Santa Rosa), Marin Art & Garden Center (Ross), Bonfante Gardens (Gilroy), Mendocino Coast Botanical Gardens (Fort Bragg). UC Botanical (Berkeley), and Cornerstone Gardens (Sonoma county, NOT botanical - but architectural).