John McLaren (horticulturist)
Park superintendent in San Francisco (1847-1943) / From Wikipedia, the free encyclopedia
For other people named John McLaren, see John McLaren (disambiguation).
John Hays McLaren (1846–1943) was a Scottish-born American horticulturalist. For 53 years (1890-1943[1]) he served as superintendent of the Golden Gate Park in San Francisco, California.