TMDb/This Is a Gardening Show TV Zach Galifianakis blends humor and horticulture in Netflix's *This Is a Gardening Show*, joking about perennials and attracting bees with his forever plants. April 28, 2026 AceShowbiz - Zach Galifianakis embraces a surprising new role in his Netflix series This Is a Gardening Show, merging humor with horticulture in an unconventional format. During a recent conversation, Galifianakis showed a relaxed attitude toward gardening terminology, joking about the confusion between perennials and annuals. "The language is totally off," he said with a laugh.