Apr 25, 2021 · The Gardenline 4-Tier Greenhouse sells for $19.99 at my local Aldi. I thought it would be a nice way to get an early start growing some of my tomato, herb, and flower plants this year. At the time of this post, Amazon.com sells what appears to be the same greenhouse for $35 under a brand known as Ohuhu. The greenhouse is utilitarian and purely .... The patio greenhouse with four levels has a metal frame with an epoxy coating and a diameter of 16 mm. The cover reinforced UV-resistant sturdy polyethylene with a thickness of 125 g/m². Central opening with zip. Featuring a wall rack with 4 shelves for easy arrangement of seedlings and plants. The dimensions of the greenhouse are 160 x 69 x. "/>4 shelf greenhouse