Otto & Sons Nursery is know throughout Southern California for its high quality plant material available through many independent garden centers. It was established in 1976. The twenty seven-acre production nursery specializes in roses -- over 180,000 rose plants in over 800 varieties! The Garden Shop is open spring, summer and fall to the general public Wednesday through Saturday 8am to 4pm. Call for winter hours. We have a 1 acre display garden which features over 400 varieties of roses.