more... > Parishes > St. Tammany > Master Gardeners > 2007 Master Gardener Graduating Class [Image: Master Gardeners' 2007] After seventeen - three hour long classes, three horticulture tours and one major final exam, the 2007 class graduated on Thursday, November 1, 2007. St. Tammany Master Gardener Program [Image: flower] Interested in becoming a St. Tammany Master Gardener?