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Photo of a man installing ducting in a grow room.


Indoor growers in colder climates can benefit from heat generated by grow lights and use the excess warmth to save money. Eric Hopper explains how to recycle the heat...

A Crash Course in Container Gardening


Take advantage of this crash course on container gardening, so you’ll know what to ask the next time you’re at the store making your selection.

Close up image of saffron flowers.


Saffron is not difficult to grow indoors and saffron bulbs are readily obtainable at the right time of year for those who want to grow some of their own exotic spice.

Do You Know What’s In Your Water?


The results of a water test can show a grower how to customize their nutrient recipes and watering methods to optimize crop quality and yield. Is your garden's water too...

Lettuce plants growing in a hydroponic system.


Whether or not to flush is not the question. This is as true for your personal bathroom habits as it is for your hydroponic system — flushing is a must.

A vine of tomatoes at different stages of ripeness.


Like humans, most plants inevitably grow old and then die, and as plants age, yields are affected negatively. But if this natural decline is slowed down, it is possible...

5 New Year’s Resolutions for Indoor Growers


For indoor cultivators, it’s easy to fall into patterns of complacency when it comes to general growroom maintenance. If that’s the case with your operation, it’s time...

Extreme Greenspaces: 21st Century Greenhouses and Urban Gardens


The planet is running out of cultivable land to feed an ever-increasing population, but that’s not stopping innovative problem solvers from coming up with solutions.

Lettuce plants growing in a hydroponic system


In hydroponic systems, it’s not uncommon to see extremely lush vegetative growth at the expense of fruit yields, or plants that take forever to produce flowers—or don’t...

Essential Components for Starting an Indoor Garden


The first step to a healthy, vibrant indoor garden is to build a growroom with the hardware required to ensure plants are supplied with the essential elements for growth...

Roots of a hydroponic lettuce plant.


While growers often focus on the visible portion of their plants—the stems, leaves, flowers and fruit—there’s a whole world of things going on in the root system. For...

Sourcing CO2 for Your Indoor Garden


As an essential piece of the photosynthesis puzzle, carbon dioxide is an important component of indoor gardening that can be supplemented in a growroom in many forms.

Physiological Disorders of Indoor Gardens


Indoor gardening offers to plants conditions that are fully under the gardener’s control. So, when physiological disorders strike, they can seem strange, mysterious and...

Young girl examining plants in a raised garden bed through a magnifying glass.


Not all traditional companion planting recommendations hold up to modern day science, but some do. Monica Mansfield pored through numerous studies to shed light on what...

Photo of Watermelon aka Mary Jean Dunsdon admiring a cannabis plant.


Watermelon gets you back into the social swing of things just in time for the holidays with her medicated jam recipe.

Experts


My crops are showing salt deposits on the leaf edges. Can you give any advice on how to avoid this problem?


Hello Richard,The type of damage you are seeing is termed “outer leaf marginal necrosis,” also known as leaf burn, and is a physiological disorder that is...

My wife has Parkinson’s Disease. We have been making infused olive oil tinctures, but what else can we be doing?


Parkinson’s Disease (PD) is expected to affect close to a million people in the US by 2020. Men are 1.5 times more likely to be affected than women and the risk of...

Photo of seed sacs on a cannabis plant.


Thank you for your question. I gather that one or both of your plants started as female, but, in the flowering cycle, one or both produced pollen. In the cannabis world,...

Photo of an EC meter in a hydroponic garden.


Thank you for your question. Maintaining the optimal nutrient concentration in a hydroponic system will allow your plants to continue to perform to their full potential....

A model of a human brain next to cannabis leaves and a stethoscope.


Good question.Lately there have been articles stating that cannabis use can cause psychosis and even schizophrenia. For example, the New York Times recently published an...