Learn the basics of horticultural landscape maintenance. James Agabedis, owner of an all-organic land care company, brings a solid understanding of current landscape practices to the classroom. He emphasizes organic techniques for landscape and gardening professionals. Jim will present the following topics: landscape maintenance practices; soil fertility; plant growth and health; plant evaluation; equipment safety; and turf care. The class will take place indoors and on the grounds of the Arnold Arboretum on Thursday, March 3, from 9 – 3:30. $85 Arboretum members, $100 nonmembers. You may register by calling 617-384-5277, or by emailing adulted@arnarb.harvard.edu.