An Introduction to Vapor Pressure Deficit

How well do you understand temperature and relative humidity? By Harry Connor Vapor Pressure Deficit (VPD) is used by growers to assess how dry the air is at a given moment. If the air is too dry, photosynthesis will stop in order to protect the plant from exhaustion.  Photosynthesis is the process of converting sunlight,…

3 Signs you Should Invest in a Sealed Cannabis Greenhouse

Cannabis growers today face a huge range of options for growing structures. Traditionally, there are outdoor grows, indoor grow rooms with lights, and year round cannabis greenhouses. More recently, the cannabis greenhouse industry has expanded to include more options ranging from simple hoop houses to advanced hybrid year round greenhouses with insulated side walls, often…

Odor Control for a Cannabis Greenhouse

The following is an edited version of our article on cannabis odor control strategies for grow rooms and commercial greenhouses, published in High Times.   Why is greenhouse odor control important? Sweet, skunky, minty, fruity… the aroma of cannabis is an essential feature of the crop, and a key indication of characteristics and quality. Cannabis’…

An Introduction to ETFE Glazing for Greenhouses

By Kylie Gettleman Ceres Greenhouse Solutions is now offering an exciting new glazing option for our greenhouses in the form of ETFE film. Widely used in Japan for decades but with little use in the United States, Ethelyne Tetrafluoroethelyne (ETFE) is a translucent polymer sheeting with great benefits for greenhouse production. At Ceres, we installed…

Choosing The Right Contractor For Your Greenhouse Project: During The Build

Once you have chosen a contractor, your involvement in the building process is far from over. There are several things that you should be diligent about when your project is underway. Please read “Choosing The Right Contractor For Your Greenhouse Project Part 1” for helpful information to consider before you decide on a contractor. Current…

Are My Plants Getting Enough Light?

The following is an excerpt from The Year-Round Solar Greenhouse, with additional content provided by expert greenhouse grower Paul Alaback. Year round greenhouse growers, and all gardeners, often wonder whether plants are getting sufficient light. As we’ll explain further below, whether your garden gets enough light is somewhat subjective -- it depends on your expectations.…

How to Choose a Glazing Material for a Year Round Greenhouse

Below is an excerpt from The Year Round Solar Greenhouse. For more on choosing a glazing material for a greenhouse, plus costs and tips for installing glazing materials, please see the book. We live in a plastic-laden age, so when it comes to choosing a material for a year round greenhouse, the choices can get…

5 Tools for Planning an Energy Efficient Commercial Greenhouse

With demand for local food continuing at a strong pace, a year-round greenhouse is often a good business venture. You can greatly improve your chances for a successful greenhouse business with proper planning. Planning for a greenhouse business requires basic business planning -- thorough research and usually spreadsheets. Here are five essential tools to aid that process, based…