TREE WALK ... Arborist Ray Morneau will lead a free tree walk through the Southgate neighborhood on Saturday, July 12, 10 a.m. to noon, beginning at the Palo Alto High School parking lot, Churchill and Castilleja avenues, Palo Alto. Expect to see black locust, coast redwood, camphor, cork oak, Japanese persimmon and more. Information: Canopy at 650-964-6110 or canopy.org
WHACK INVASIVE PLANTS ... Volunteers are needed from 9 a.m. to noon on Sunday, July 13, to remove invasive, non-native plants — including yellow starthistle and French broom — at Foothills Park. Friends of Foothill Park volunteers typically meet at the Orchard Glen picnic area but are advised to check the website (www.fofpark.org) in case the group is heading for more remote areas of the park. Bring a water bottle, and wear sturdy shoes and long pants. Gloves and tools will be provided. Information: Bob Roth at 650-321-7882 or firstname.lastname@example.org
SURVIVING REMODELING ... Mollyanne Sherman, a certified home designer, will offer a stand-alone class on "Surviving Your Kitchen Remodeling Project" from 6 to 9 p.m. on Tuesday, July 15, at Palo Alto High School, Room 407, 50 Embarcadero Road, Palo Alto. The class covers tools, tips, steps, resources and professional advice. Cost is $40. Information: 650-329-3752 or paadultschool.org
LOOKING AHEAD ... Master Gardeners of San Francisco and San Mateo counties will offer a free workshop on "Starting Your Fall and Winter Garden" from 10 a.m. to noon on Saturday, July 19, at Lyngso Garden Materials, 19 Seaport Blvd., Redwood City. The workshop will deal with space planning, seeding and planting charts, amending soil, insects and diseases, water and more. Information (or to register): 650-364-1730, lyngsogarden.com or smsf-mastergardeners.ucanr.org
PLANT HOTLINE ... UC Master Gardeners staff a Master Gardener Hotline every Friday from 1 to 4 p.m. at the Gamble Garden library, 1431 Waverley St., Palo Alto. They will also answer gardening questions at 650-329-1356, ext. 205.
LIVING CENTERPIECES ... Baylor Chapman, author of "The Plant Recipe Book," a guide to planting 40 plants, will teach a class on "Living Centerpieces" from 9:30 a.m. to 12:30 p.m. on Saturday, July 19, at Filoli, 86 Canada Road, Woodside. Chapman will demonstrate how to use complementary plant varieties; then participants will create a living arrangement to take home. Cost, which includes all classroom plant materials and containers, is $180 for nonmembers, $150 for members (with the book), or $150 for nonmembers, $125 for members (without the book). Information: 650-364-8300 or filoli.org