Four 3-tier shelving sections line the sides of this portable walk-in greenhouse so you can organize vegetables, flowers and seedlings while keeping the center area clear for tending plants. The powder-coated metal frame supports a PE cover that helps maintain growing conditions and resists rust. A sloped roof lets snow and rain slide off instead of collecting on top. The roll-up door and side windows allow you to control airflow, while the extended base, wind ropes and ground stakes improve anchoring.