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Category: Plant Diseases & Garden Pests

Powdery Mildew and Mold Problems

Powdery Mildew and Mold are two things you never want to see turn up in your garden. Indoor gardens rely very heavily on contained moisture and regulated humidity. This moist environment can easily become a breeding ground for molds and mildews. Not only can these molds and mildews cause damage to your plants, they can become a health problem if left unchecked.

If you find mold or mildew growing on your plants, rockwool or in the nutrient solution, the first thing that you should check is the humidity and air circulation in your indoor garden. Stagnant air allows mold and mildew spores to settle on the plants, and an overly humid environment allows them to thrive. For mild infestations, these changes may be enough to reverse the infestation, and ensure healthy plants. If the mold or mildew growth is heavy, you may need to employ a fungicide to remove the growths.

rockwool moldPowdery-Mildew

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Garden Pests

There’s nothing worse than picking a fresh ripe tomato only to find that a tomato hornworm has already chewed on it, making it inedible. Pests are the enemy of the garden, and indoor gardens are no different. While you may not find hornworms in your tomatoes, indoor gardens can still face their fair share of pests. You will find that most pest infestations originate from a plant that was once outside and recently brought in, or from a plant that was recently purchased.


Aphids, mites, whiteflies, and other similar pests can live and thrive in the root medium that your plants are growing in. These pests can destroy crops if left unchecked and in the case of an indoor garden, they can fill your house with flies and pests before you even know what happened.

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Plant Nutrient Deficiency

The balance of nutrients in the planting solution is essential to a healthy and productive garden, and a lack of one or more of the vital nutrients can cause stunted growth, poor production, or in the worst case, can even kill your plants. When a plant isn’t getting the love it needs its going to tell you. I know this might sound crazy but, the easiest way to tell if your system is experiencing a nutrient deficiency is to watch your plants!

A nutrient deficiency in plants occurs when one or more of the plants necessary food elements is missing or not being properly absorbed by the plant. Some nutrients, such as nitrogen, can cause the leaf growth to be stunted or older leaves to burn. Below you will see the left leaf showing iron deficiencies and the right leaf showing symptoms of magnesium deficiencies:

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Common Plant Diseases, Deficiencies and Infections

Here at Green Envy we are constantly getting asked to diagnose common plant diseases as well as suggest products for solutions. As owner of Green Envy Supply and personal indoor gardening enthusiast I have learned a few things about the problems you’ll encounter throughout the year in your garden. I thought it would be a good idea to address some of those questions here and write a piece on common plant diseases, deficiencies and infections. Indoor gardening is a fantastic alternative for people who don’t have access to a yard in which to garden but still want to add fresh, homegrown, organic produce to their diet. Unfortunately, it’s not as easy as dropping some seeds in a tray and letting them grow. In our Regulating Temperature blog we talk about some of the basic problems you could encounter like temperature and humidity problems but lets just assume you were paying attention in our last class to avoid being redundant. What I want to talk about now is a little more advanced than your regular overheating problem. Here I’m going to address some of the most common plant problems that indoor gardeners experience such as:

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