This drawing is from our Masters’ Series book; Junipers, Growing & Styling Juniper Bonsai. What is Green Workshop? Green Workshop is a series for beginners and others who are interested in some of the basics of bonsai care and training. Green Workshop originated in Bonsai Today magazine and will be continued with regular postings on this blog. The more you know about watering, the better. Without timely, intelligent watering, any plant in a container is at risk. The more you know about watering, the better.