Rancho Santa Ana Botanic Garden – Lenz Horticulture Classroom Loading Map.... Rancho Santa Ana Botanic Garden – Lenz Horticulture Classroom1500 N College Ave - Claremont 34.110738 -117.71391319999998 Address 1500 N College Ave Claremont CA 91711 United States Upcoming Events No events in this location About Alex Stevens View all posts by Alex Stevens →