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Best DIY Greenhouse Plans

Updated on June 8, 2013

Building a greenhouse is the latest and hottest trend in home improvement these days, and it is not hard to see why. Not only does a greenhouse add value to the property, homeowners also get to enjoy the fruits of their labor by having fresh vegetables right off of the ground, or by making their own wines while living in a colder climate. Nevertheless, constructing a fully functioning greenhouse, although not hard for the hardy Do It Yourselfer, can involve so many elements that have to be fully pondered that only the best DIY greenhouse plans can render the task more enjoyable and stress free.

Although greenhouse kits are readily available, building your very own greenhouse is enormously more economical, since kits have to be put together anyway, and there is no reason to pay for vastly inflated material prices.

A few things to consider carefully before embarking on such a mission that only comprehensive and easy to read DIY greenhouse plans can offer:

What to grow:

This is the initial step as different soils will have to be chosen from to achieve the maximum benefit out of any plant, herb, vegetable, flower, or even coffee to be grown.

What Type of Greenhouse Should You Build:

Generally, you have 3 types of greenhouses to consider: Hot, warm or cool. The types of plants you intend to grow will determine the type of greenhouse you need.

A Hot Greenhouse is designed to maintain a minimum temperature of sixty five degrees, for tropical or exotic plants. In most climates you'll need to install a heating and lighting system to support the temperature and lighting requirements of your plants.

A Warm Greenhouse has an average temperature of about 55 degrees and you'll be able to grow a wider variety of plants. However, you may still need to install a heating and lighting system.

A Cool Greenhouse is designed to maintain a temperature of 40-45 degrees and it's typically used to start your new plants early in the spring, to help extend your growing season. Depending on your climate and your intended use you may not need to install a heating or lighting system.


Close or far from the house? For some, infestations by pests, bugs, mold, or fungus can be an issue, as well as adequate irrigation. If an attached greenhouse is selected, what should the greenhouse be attached to? A barn, a shed, or the house itself. It is highly recommended that a greenhouse be attached to a south facing structure to get maximum benefit from natural sunlight for photosynthesis purposes, as well as reducing energy consumption from heating systems. If DIY greenhouse plans cannot guide you through the whole process at this point, stop and move on to the next more detailed DIY greenhouse plans.


Larger and heavier greenhouses may require a stable foundation to settle on, then the material can be selected, be it concrete or lumber.

Framing and paneling:

Along with cover material, with glass the traditional material, although breakable and not quite suitable with young children present, this is the next hard choice, as different materials have different functions, with advantages and disadvantages as well. Here, the choice of what to grow probably is the determining factor.

Temperature and humidity:

These are critical elements, therefore it is strongly advised that extensive research be performed in advance on the appropriate temperature and humidity levels required for each item to be grown.


Choosing the right lighting is crucial to how much your energy bill will rise, and here again, DIY greenhouse plans should not fall short.

Vents and doors:

The location and size of vents and doors need to be carefully planned to allow for air circulation, along with insulation considerations.

Drainage and irrigation:

This can easily be overlooked in the anticipation of enjoying the greenhouse with all of its amenities, but equally important as everything else.

And these are not all the possible issues associated with building a well functioning greenhouse, therefore settling on the best DIY greenhouse plans becomes even more crucial.

After all is said and done, just sit back, relax, and enjoy.

DIY Greenhouse Projects

Top 3 Reasons To Build A DIY Greenhouse

1. Build The Greenhouse You Want

With a pre-fab greenhouse your design options are limited. What if you want to build it up against the side of your house? What if you want to extend a wing over a little creek you have running through your yard? Maybe you need just a few inches more room over here or an extra inch or two in height.

When you build your own greenhouse you can build it to suit your own design needs and get exactly the greenhouse you've been dreaming of.

2. Control Costs

A DIY greenhouse is typically less than half the price of a pre-fab. But you also have greater control over your costs. When you have the plans right there in front of you it's easy to see how you can adapt them for additional cost savings.

3. You Control The Glazing Materials

You'll have several options for glazing materials and some will be better for your environment than others. But you'll be able to decide which you use, based on your needs and your overall budget. Yet another way you can control costs and save money when you build your own greenhouse.


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