LED or HPS: Which Supplemental Lighting Option Should You Choose For Your Greenhouse?

For the second installation of our greenhouse lighting series, we will be discussing the difference between the two most commonly used artificial lights in commercial greenhouse operations - HPS (high-pressure sodium) and LED (light-emitting diode).    A Brief Introduction HPS bulbs create light by sending electricity back and forth through an “arc tube”. An external…

Light Harvesting Advantages of Passive Solar Design

The Relationship Between Greenhouse Design and Supplemental Lighting  The benefit of growing in a greenhouse, rather than growing indoors, is the ability to utilize free energy from the sun. The sun’s energy is more powerful and effective than any artificial light available. The downside is it’s not consistent. Sunlight intensity will fluctuate depending on a…

5 Tips for Building a Solar-Powered Greenhouse

Integrating solar panels with a greenhouse can make it off-grid, but takes careful consideration of your goals and the best strategy for doing so. “I want a greenhouse with solar panels”, is one of the top requests we get from clients trying to be more energy-efficient. So what are these people really looking for? 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…

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.…

Solar Greenhouse Basics: Orientation

Solar greenhouse design begins with choosing the correct orientation for your greenhouse. For those in the Northern hemisphere, this means maximizing Southern exposure of your greenhouse. The length of the greenhouse (longer dimension) should face South as this is where the majority of light comes from in the Northern hemisphere. The North side of the…

Growing Bananas Off-Grid: Tour of A Tropical Greenhouse in the Rocky Mountains

Growing bananas and guava, this off-grid greenhouse is anything but your typical commercial greenhouse Step into the solar greenhouse at Golden Hoof Farm in Boulder CO and you're greeted not by a monoculture of mass-produced greens or flowers but by a forest of fruit trees -- guava, avocado, mango, banana, lemon, lime, orange, grapefruit, starfruit, dragon fruit, pineapple,…

The Walipini Greenhouse Low-Down

I never thought I would be calling The Church of Latter Day Saints to ask about greenhouses in Bolivia. But, as with a lot of things when you start to dig beneath the surface (yes, pun intended; there will be more), you can find yourself in some surprising situations. The impetus for this article is…

Vertical Garden Made Out of Recycled Soda Bottles

Grow Up! …And maintain some whimsical fun with this colorful, aromatic, self-watering vertical garden made out of recycled soda bottles. There are several variations of how to build this… stringing together several columns of bottles or creating a simple one. In the PDF below we show you how to string several together. In effect, this…