A Heritage of Greenhouse Growing
The techniques learned from indoor and outdoor marijuana farming merged into the greenhouse growing. Over the last ten years, the quality of greenhouse grown cannabis improved greatly. Now in the industry, there are greenhouse businesses that are growing product of same or better quality than indoor grown cannabis. Greenhouse grown cannabis now competes with top shelf indoor grown cannabis... Outdoor farmers didn't begin to compete with the indoor market until recently, particularly greenhouse grown. Greenhouses are a hybrid of indoor and outdoor farming-the best of both worlds in one production system that provides low cost of goods and high quality. Using greenhouses to grow cannabis, you have the benefits of Mother Nature, such as sunlight, which is superior to the artificial light of grow lamps; predator insects to keep the insect world in balance and fresh outdoor air pulled inside, and you get it all without the outdoor hazards like frost, rain and wind. In northern latitudes you can have lamp assisted lighting in greenhouses. When days are short, the lamps come on to lengthen the daylight. It cuts costs as the lamps are used only to augment the sun when necessary-not operate continuously to grow the plants. The Anatomy of a Cannabis Greenhouse When you think of a greenhouse, chances are you imagine the traditional hoop houses with poly plastic over the top-very basic and without automated climate controls. A cannabis greenhouse is a glass house. It's bigger. It has sophisticated environmental controls and automated systems. The greenhouse includes: Row system Trellis system Blackout curtain system Automated environmental controls that maintain a low humidity level and more, that are unique to commercial cannabis production A cannabis greenhouse is similar to a commercial tomato production greenhouse. The biggest difference is how the cannabis rows are configured; they need to be configured to be wider than tomato rows. Cannabis uses a different trellis system than tomatoes as well. Cannabis is a photo period sensitive plant. Its flowering is triggered by how short the day is becoming. The flowers are similar to chrysanthemums based on whether or not the plant senses that fall is coming. When days shorten to 12 hours of light, cannabis will start to flower. Before that, the plant is sustaining the vegetative growth stage. You control the cannabis plant by controlling the sun light... A cannabis specific greenhouse has a blackout fabric curtain system that is based on how many hours of light there are during that time of year. There are two phases of the greenhouse: There is a vegetative phase of the greenhouse where plants just grow. In this phase, plants think it's spring and summer. The vegetative room offers plants 18 hours of light and 6 hours of dark. The plants will grow forever. They grow like trees. You can keep strains alive for decades. Once the plants reach a desirable size, they are moved to the flowering phase of the greenhouse. The flowering phase of the greenhouse has blackout curtains to maintain days that are 12 hours light and 12 hours dark. You can block out the extra light that cannabis doesn't need when you want to trigger it to flower. For example, during the Summer Solstice with 16 hours daily of sun, the curtains will close when the sun rises and open a couple hours after. The curtains will close a couple hours before the sunsets to short the daylight to 12 hours. In six weeks the flowers ripen. A similar greenhouse is required for growing chrysanthemums. Flowering depends on the marijuana strain. Some strains evolved in the mountains. In northern latitudes, like Morocco and KushValley, the Indicas evolved. There, the plants had to flower quickly to produce seeds before the frost. Other strains, like the perennial sativa strains, grew around the equator, and were known as longer flowering strains. They did not have a frost to deal with, so they kept growing. They'd flower over and over.
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GRIZZLY HILL HIGHTUNNEL & GREENHOUSE KITS
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6. HIGHTUNNEL -----20'x 72' -------$4650-
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BLACK-OUT / LIGHT DEPO SYSTEMS
