Our walk in FlowerHouse portable greenhouses range from the 5ft. square PlantHouse up to the 8ft square DreamHouse and the 9ft. square FarmHouse both of which can be extended to as large a size as you wish by zipping on additional units. The DomeHouse is a 15ft. diameter dome greenhouse which can double as a cool season hot tub cover! Most of these greenhouse kits are made with Gro-Tec plant protection fabric. The new Conservatory and other clear PVC greenhouses allow unobstructed viewing. All prices include shipping You may also like Mini Greenhouses, Cold Frames and Row Covers