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Fast Facts
A greenhouse can make it possible to grow plants at any time of the year! Many gardeners enjoy being able to extend the seasons, but there are a lot of things to consider when planning your greenhouse.
Consider the questions below.
A hobby greenhouse could be great for overwintering house plants, producing annuals/vegetables, and maintaining collections (e.g. orchids).
A hobby greenhouse can range from a simple polyethylene-covered framework costing under $100 or it can be an advanced $6,000 prefabricated structure.
With automatic controls and easy-to-care for plants, maintenance can be kept to a few hours a week. Automatic controls provide proper growing temp, artificial light, watering, humidity, and ventilation. If you have time to regulate the environment, you can save money by not using automatic controls.
Your biggest challenge in Arkansas is going to be reducing the heat load with cooling, venting, and shading. A greenhouse is a heat trap because much of the radiant sun energy is trapped in the form of heat. Even during cold weather a greenhouse can become too warm on sunny days. It's wise to grow cooler temperature plants during the winter and to switch to heat tolerant plants during the summer
Ventilation and cooling are equally important. An automatic ventilation system eliminates the manual work and is the best way to control temperature and humidity.
For more information check out Greenhouses: Heating, Cooling, and Ventilation