The Highland Lakes Master Gardener Association invites the public to attend its Green Thumb Program offerings this month. These programs are held at the AgriLife Extension Office in Burnet, at 607 N. Vandeveer.On Aug. 7 at 2 p.m., Master Gardener Lyn Mefford will speak on “Preserving Memories & Harvest: Classic Canning, Fancy Freezing and Quickies.”A second program is plan...