The Arnold Arboretum is sponsoring a one day seminar with James J. Agabedis, Jr. of Minuteman Landscaping, Inc. on Thursday, March 4, from 8 a.m. to 3:30 p.m.  Improve your understanding of horticulture and enhance your landscape skills. This all-day class will introduce the basics of horticultural landscape maintenance. James Agabedis is the owner of Minuteman Landscaping, an all-organic land care company. Having worked in the industry since 1986, Jim is a pro at communicating with customers and employees, and brings a solid understanding of current landscape practices to the classroom. He is a Northeast Organic Farming Association-certified Organic Land Care Professional and emphasizes organic techniques in this class. Jim will present the following topics: landscape maintenance practices; soil fertility; plant growth and health; planting and pruning techniques; plant evaluation; equipment safety; and turf care. The class will take place indoors and on the grounds of the Arnold Arboretum. Certificates of attendance will be given to attendees. The fee includes morning coffee and program materials. Bring a lunch and beverage. Register early as this class fills quickly – log on to www.arboretum.harvard.edu.  Fee $90.