Almost all crops grown in a Tower Garden should be a rich, deep green color. If you follow the directions regarding sunlight, nutrients and pH you should not encounter this problem. If your green plants are suddenly yellow, work your way through the flow chart below to help you determine what could be causing the problem. Don’t worry, it’s easy to fix!
Fungus, disease and pest infestations could cause yellowing. These will require a closer inspection of the affected plants to determine the cause.