Get a garden started with the Jiffy J450 50-Cell Professional Greenhouse. It's an ideal size for patios, sunrooms in the house and most back yards. The 50-cell Jiffy Professional Greenhouse is durable for long-lasting garden projects, such as planting vegetables, flowers or spices. Once your plants have gotten a start in these pods, replant them in pots or outdoors as needed. Work on your green thumb and produce flourishing vegetation with this handy system.