# Cannabis Greenhouse Growing: Why More Cultivators Are Going Under Glass | CannaCity URL: https://cannacity.net/cannabis-greenhouse-grow-why-more-growers-are-going-under-glass/ [Weed online in UK](/) / [Blog](https://cannacity.net/blog/) / Cannabis Greenhouse Grow – Why More Growers are Going under Glass # Cannabis Greenhouse Grow – Why More Growers are Going under Glass - [Cannabis Growth](https://cannacity.net/category/cannabis-growth/) February 02, 2026 by Canna City 3 minutes This page was last updated on **April 3, 2026** ![buy Weed, thc vapes, pre-rolls at Weed shop Canna City Edinburgh ](https://cannacity.net/wp-content/uploads/2026/02/cannabis-greenhouse-grow-770x270.jpg) It is too costly to grow indoors. The outdoors is too unpredictable. That’s why so many serious growers choose greenhouse growing. A greenhouse grow combines natural sunlight with controlled conditions to produce a larger yield at a lower energy cost. A well managed greenhouse grow allows you to have a stable and predictable crop that produces plants with an abundance of terpenes and an ability to control the environment the plant grows in without having to isolate the plant entirely from nature. ## What Makes Greenhouse Cannabis Growing Unique? Greenhouse cannabis grows utilize natural sunlight as the primary energy source while utilizing some level of control over temperature, humidity, air flow, and light cycle where necessary. This results in plants that receive real world environmental rhythms that ultimately may lead to stronger terpene expressions and more normal growth patterns for the plant. ## Indoor, Outdoor, and Greenhouse Growing Methods Compared | **Factor** | **Indoor Grow** | **Outdoor Grow** | **Greenhouse Grow** | | --- | --- | --- | --- | | Light Source | only Artificial Light | Only Natural Sunlight | Natural Sunlight + Supplemental Light | | Environmental Control | Complete Control | Minimal Control | partial to complete control | | Cost of Energy | Extremely High | Very Low | Moderate | | Consistency of Yields | High | Unpredictable | High | | Quality of Terpene Production | Good | Excellent | Excellent | | Level of Risk | Low | Dependent on Weather | Risk Controlled | | Sustainability | Low | High | High | Greenhouse growing will give you similar quality to that of indoor growing methods at a price closer to what most outdoor growers pay. ## Why Do Most Experienced Growers Use Cannabis Greenhouse Growing? 1. **Natural Light enhances cannabinoid and terpene production** Plants grown in natural light receive a full spectrum of light that is difficult for artificial lights to replicate. Many growers have reported their plants producing much stronger terpene profiles and having a stronger root system. 2. **Significant Savings in Energy Costs** Lighting is one of the largest expenses for cannabis growers who grow indoors. Using natural light in a greenhouse greatly reduces the need for artificial lighting, resulting in dramatic reductions in energy usage. 3. **Greater Harvest Control** The flowering cycles can be controlled by using black-out systems and supplemental lighting. 4. **Protection from Extreme Weather Events** Extreme weather events such as windstorms, torrential rains, and drastic changes in temperature can cause significant damage to outdoor crops. Greenhouses provide a barrier against these types of weather events. ## Conditions Necessary for a Successful Cannabis Greenhouse Grow Similar to growing in a controlled indoor environment, managing a greenhouse requires precision management of several critical environmental factors: - Controlling Temperature (ideally 20-28°C) during vegetative growth. - Maintaining Humidity Levels – preventing mold and bud rot. - Providing Air Circulation – to prevent pests and diseases. - Using Light Cycle Systems – to ensure consistent flowering cycles. - Preventing Pest Barriers – since insects thrive in warm temperatures. ## Challenges Growers Experience - Mold and mildew caused by excessive humidity. - Insect infestations caused by warm conditions. - Fluctuations in temperature between the day and night. - Unequal light distribution throughout the greenhouse. - Ventilation management in warmer climates. ## Cannabis Greenhouse Growing and Future Many in the cannabis industry feel that greenhouse growing will be the preferred method of growing cannabis for large scale producers. It provides a balance of being environmentally friendly, providing a high-quality product, and offering a cost-effective solution to indoor-only growers. ## Ready To Try? If you like the rich terps, clean flavour, and a more mellow overall experience — look no further than Canna City to find a [curated selection of cannabis products](/shop/). Choose your strain, schedule your drop, and make sure to always keep your stash stocked with products that live up to the hype. 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