NATIVE GARDEN TOUR ... Gardens, from Sunnyvale through Hillsborough) showcasing California native plants will be included in the Going Native Garden Tour from 10 a.m. to 4 p.m. on Saturday, April 21. Gardens will demonstrate low water use, reduced chemical and pesticide use and improved habitat. The do-it-yourself, open-house tour is free, but pre-registration is required to obtain the list of gardens, addresses and garden descriptions. Information: http://gngt.org
GOOD, BAD BUGS ... Ann Northrup will address the Garden Club of Los Altos about "Pathology in the Garden" at 1:30 p.m. Tuesday, April 24. She will talk about the life cycles of good and bad bugs and how to control them. Cost is $5 for guests. The group meets at Los Altos Lutheran Church, 460 S. El Monte Ave., Los Altos. Info: www.gardencluboflosaltos.org
YEAR 'ROUND CITRUS ... UC Master Gardeners will present the basics of "Growing Citrus for Year-Round Harvest" from 7:30 to 8:30 p.m. on Tuesday, April 24, at the Los Altos Library, 13 S. San Antonio Road, Los Altos. Focus of the free workshop is which varieties are the most productive in this region. Information: Master Gardeners at 408-282-3105, between 9:30 a.m. and 12:30 p.m., Monday through Friday or http://mastergardeners.org
COOKING CLASSES ... Upcoming cooking classes through Palo Alto Adult School include: 6:30 to 9 p.m. on Tuesday, April 24, "European Cheeses with the Milk Pail Market" (Yannette Fichou Edwards, $60); 6:30 to 9 p.m. on Wednesday, April 25, "Indian Cooking" (Ramesh and Bharati Joshi, $50); and 6:30 to 9 p.m. on Thursday, April 26, "Picnic in the Park" (Cindy Roberts, $50). Each class takes place in Room 103, Palo Alto High School, 50 Embarcadero Road, Palo Alto. Information: 650-329-3752 or www.paadultschool.org
DECORATIVE POTS ... Debbie Kundrat, Marian Parlett and Kathie Shaw will teach a class called "Rob's Pots" — how to make decorative containers for flower arranging — from 9:30 a.m. to 12:30 p.m. on Saturday, April 28, at Filoli, 86 Canada Road, Woodside. The class will include sponging, stamping, painting and decoupage. Cost is $80 for nonmembers, $65 for members. Information: 650-364-8300 or www.filoli.org
TOPS IN THE U.S.A. ... Coldwell Banker's Silicon Valley offices rank among the top producing offices among its 650 offices nationwide, according to a press release. The Palo Alto Midtown office ranked fourth nationally among offices with 35 or fewer agents; Palo Alto Downtown ranked third among offices with 51 to 100 agents; and Los Altos ranked ninth among offices with more than 101 agents. In 2011, the Palo Alto Midtown office sold $140 million in homes and represented more than 130 buyers and sellers; Downtown had nearly $500 million in sales and 340 transactions; Los Altos had nearly $555 million in sales with close to 570 transactions.