Adult Black Vine Weevils (Otiorhynchus sulcatus) eat a characteristic ‘D’ shaped notch along the leaf margin.
How many hours do I need to write the Challenge Exam?
You need 9,720 of proven work based hours. Click here for detailed information on the Challenge Exam process for Landscape and Production Horticulturist. 2,400 of proven work based hours is required to challenge the Arborist Technician exam.