The Dr Earth Home Grown Vegetable Plant Mix bag weighs approximately 38lbs.
Yes, Dr Earth Home Grown Organic Vegetable Planting Mix can be used alone when planting tomato plants in large containers.
We apologize, but since Dr Earth Home Grown Organic Vegetable Planting Mix is not specifically labeled for use in cannabis so we would not be able to provide any instructions for this use. We would recommend contacting Dr. Earth directly for questions regarding this type of application. You can reach them by calling 707-448-4676.