Glueberry Feminised Seeds from Expert Seeds. This is from the Blueberry x Gorilla Glue #4. A very easy to grow and grows well in Greenhouse, Indoor, and Outdoor. Flowering time takes 50 – 55 days. Flowering yield takes Indoors: 550 gr/m2; Outdoors: 750 gr/plant and yet produces a wonderful plant height of 120 – 170 cm. This strain produces an effect of Couch Lock, Energetic, Euphoric, Motivating.