Seventeen hundred native plants and trees will be put in the ground at the former San Geronimo Golf Course this winter as part of a 10-year project to offset the impacts of a flood-risk reduction project in Fairfax. Valley oak, coast live oak, buckeye, bigleaf maple, hedgenettle, mugwort, blackberry, wild rose and other native trees, shrubs and herbaceous species will be planted just south of San Geronimo Creek adjacent to San Geronimo Valley Drive. The…