Choosing the Right Angle for Your Greenhouse Roof

The best angle for greenhouse glazing in the roof is not as clear cut as some solar greenhouse designers make it sound. Solar greenhouse designers often cite a rule of thumb along the lines of: To find the “best” angle for a greenhouse roof take your latitude and add 20 degrees.While the logic behind this rule…

10 Do’s and Don’ts for Designing a Ground to Air Heat Transfer System

A Ground to Air Heat Transfer system– also called Earth Tubes or a Climate Battery – is a low-cost method for heating and cooling your greenhouse year-round using only the sun and the thermal mass of the soil underground. For more info on how it works, see our GAHT page here. A GAHT system is…

Give starts a boost with DIY grow lights, made from dryer vents

It's that time of year that everyone wants to get their hands in the dirt. Unfortunately, for many of us there are still several more potential-frost weeks left to wait. But that doesn't mean you can't start your garden indoors. If you don't have a year-round greenhouse or a good full-sun spot for starts in your home,…

The Chicken Coop, Greenhouse Combo

These two useful structures for creating a sustainable homestead are not often associated. But, with the right planning, they can be integrated into a single multi-use structure that enhances both environments, as the waste products of one become inputs for the other. Together, a backyard greenhouse/chicken coop can be a year-round food-producing machine… giving you…

Easy Raised Bed Options for a Residential Greenhouse

Whether gardening year-round in a greenhouse, or starting up an outdoor garden this spring, here's a quick round-up of several ways to make your own raised garden beds. Cinder Block Easily stackable, these can be combined in any configuration. Blocks should be secured together using mortar or rebar. We suggest also filling the pockets with stone or gravel.…

3 Types of Greenhouse Floors

Even an insulated year-round greenhouse doesn’t need a finished floor as a house does. Most of the footprint will be used as a planting area, which may or may not need a level finished surface. Your flooring option usually depends on how you want to grow in the greenhouse – whether growing directly in the…

School Greenhouses: The Future of Learning Gardens

“What’s that white stuff? “Roots!” And so proceeded the conversation between two second graders at Vail Mountain School about that hidden elemental part of the plant. Despite the chilly November afternoon that existed outside, this exchange occurred in a warm sunny greenhouse attached to the school. Instead of seeing a pictures in a textbook, these second…

Pineapples, custom siding, self-wicking beds… a greenhouse comes to life

My favorite time in the life of a greenhouse is those first few days after it's built, when we step off the job site and a grower's creativity takes over. Paint brushes strewn about, ground still muddy, this is not when the greenhouse is at its most beautiful. But it's the time when it transforms from just another greenhouse into an individual's…

Choosing The Best Glazing For Your Greenhouse

We use the term glazing to describe any transparent structural material, whether glass, rigid plastics like polycarbonate, or plastic films. If designing your own solar greenhouse, these materials are critical to greenhouse efficiency and performance. Here are the main variables to pay attention to: light transmittance, insulation, placement, durability and cost. In our next blog we’ll…

Solar Greenhouse Basics: Ventilation

Even a well-designed solar greenhouse will overheat sometimes. This is because greenhouses are excellent solar collectors. While all that light is needed for growth, it often creates too much heat. Ventilation is essential not only for cooling but also for plants’ health. A leaf surrounded by stagnant humid air is a bug’s best breeding ground.…