The Guadalupe River Park Conservancy is the nonprofit organization dedicated to the completion of the entire 450 acre park. To support the conservancy, call 408-298-7657 or visit https://grpg.org/. You can receive a monthly e-newsletter with exciting information on the movement to re-establish San Jose as "the Garden City."

The South Bay Heritage Rose Group is the local group dedicated to the continued support of the San Jose Heritage Rose Garden and the study and appreciation of Old Garden Roses.

The Heritage Roses Group is the national "mother" group of which the South Bay Heritage Rose Group is a chapter.