Dear Dave, Can you elaborate about your homemade bulb cooker that you use to control the Narcissus fly and what exactly you do? It sounds like Narcissus may not always be a bulb you can safely plant in the ground in the Pacific Northwest and leave. >The best, for a business such as mine, is to dig annually and hot water >treat the stocks...There are several, effective "homemade" bulb cookers >that can be created from large trash cans, insulation and high quality >instrumentation. Mary Sue