Master Gardeners Talks, Demonstration Garden, 3575 Greenville Rd., Livermore. Trained Master Gardeners are on site at to answer question and give tours of the garden 9:30am-11:30am on the second Saturday of the month; talks on seasonally appropriate topics. All Talks are 10 -11 am on the second Saturday of the month. Jun 13: Compost Basics; July 11: Weeds IPM; Aug 8: Low Allergy Gardening; Sept 12: Soil Biology; Oct 10:  Evolution of a Garden; Nov 9: Beekeeping tips.