Northern Lights, formerly known as CI #5 F1, is an award-winning Indica dominant strain. It only reaches heights of between 39-51 inches tall, making it fairly average in size but still yields up to 16 ounces per square meter. It is almost entirely Indica, at 90-95 percent, and has a high THC level with an average of 18 percent. Northern Lights is one of the highest yielding strains, and it's suitable for beginners. You can harvest up to 25 oz. per weed plant outdoors. Successful indoor cultivation of Northern Lights will reward you with 21 oz./m 2. For the highest-yielding autoflower strains, why not check out Northern Lights Autoflower seeds for indoor growing?