A pioneer Artist potter, she experimented with local clays and glazes, and with clays from other parts of Canada. She developed a form of agateware using clays stained green, white and blue, which she called "Scotian Pebble". She continue to experiment until she was aged 93. According to Homer Lord, who worked with her for a month and a half in the summer of 1949, she was a very strong china Painter but not a strong potter. Her main interest in pottery was decoration of the surfaces, so she often cast rather than threw her pots. The Journalist Kay Hill visited Hagen in 1959 for an interview for the Atlantic Advocate. She said of the house,