Miracle-GRO 4'8" x 4'8" x 6'5" Outdoor Mini Walk-in Greenhouse Plant Tent $50 at Amazon $50 $80 Amazon has the Miracle-GRO 4'8" x 4'8" x 6'5" Outdoor Mini Walk-in Greenhouse Plant Tent on sale for $50 with free shipping. Includes eight wire shelves. $50 retail: $80 Posted by Faraday04/18/2026 at 06:24 PM PT