Maryland

March 20 Maryland Arborist Association Arborist Day. Cylburn Arboretum, Baltimore. To learn more, call 410-321-8082 or e-mail mdarborist@comcast.net.

April 8 & 15 Invasive Species First Detector’s Training. Howard County Fairgrounds, West Friendship. For details, e-mail Sklick@umd.edu or Sgill@umd.edu.

June 5 Maryland & Virginia Turfgrass Associations Regional Bistate Field Day. Collins Wharf Sod Farm, Eden. To learn more, call 301-948-1055 or e-mail marycollinsmta@gmail.com.

June 9 Maryland Arborist Association Pest Walk. Howard Community College, Columbia. For more information, call 410-321-8082 or e-mail mdarborist@comcast.net.

Massachusetts

March 23-24 Irrigation Contractor Training. Shemin Nurseries, Hudson. For more information, visit www.irrigationassociationne.org.

April 15 Insect Laboratory: Hands-On Identification & Management Strategies. UMass Cranberry Station, East Wareham. To learn more, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

April 17 2010 Cape Cod Horticultural Conference. Barnstable High Performing Arts Center, Hyannis. For details, call 508-375-6690 or visit www.capecodextension.org.

April 29 Scouting for Pests & Problems of Woody Ornamentals Walkabout: Diseases & Weeds. Arnold Arboretum, Jamaica Plain. For more information, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

May 27 Identifying Freshwater Wetlands in the Landscape: Inland Wetland Plant Identification. French Hall, University of Massachusetts, Amherst. For details, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

June 3 Scouting for Pests & Problems of Woody Ornamentals Walkabout: Insects, Weeds & Cultural Problems. Bridgewater State College, Bridgewater. To learn more, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

June 3 Identifying Freshwater Wetlands in the Landscape: Identifying Inland Wetland Soils. French Hall, University of Massachusetts, Amherst. For more information, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

June 16 UMass Turf Research Field Day. UMass Joseph Troll Turf Research Center, South Deerfield. For details, call 508-892-0382 or e-mail mowen@umext.umass.edu; or call 413-545-2965 or e-mail jdlanier@umext.umass.edu.

New Hampshire

March 20 Beautiful Backyard Habitats: Landscaping for Wildlife. NHTI, Concord. For more information, call 603-271-6663 or visit www.nhti.edu/businesstraining/community.html.

March 24 Municipal Turf & Grounds Workshop. Manchester. To learn more, visit http://extension.unh.edu/Agric/AGNLT.htm.

April 10 & 17 NHTI Landscape Seminar Series: Spring into Action! NHTI, Concord. For details, call 603-271-6663 or visit www.nhti.edu/businesstraining/community.html.

New Jersey

May 3 15th Annual Rutgers Turfgrass Research Golf Classic. Fiddler’s Elbow Country Club, Bedminster. For more information, visit www.njturfgrass.org.

New York

March 20-24 70th Annual New York State Recreation & Park Society Conference & Business Exposition. Saratoga Hilton, Saratoga Springs. For more information, visit www.nysrps.org.

Pennsylvania

March 31 Back to Basics. Penn State Great Valley, Malvern. For more information, call 610-696-3500 or visit http://extension.psu.edu.

Rhode Island

April 22 University of Rhode Island Landscape Architecture Lecture. Weaver Auditorium, Kingston. For details, e-mail wagre@uri.edu.

Washington, D.C.

June 2 Investing in Green Infrastructure: Green Roofs. Ronald Reagan Conference Center. For more information, call 416-971-4494, ext. 229, or e-mail jsprout@greenroofs.org.

National

March 25 Up By Roots Workshop. Seattle, Wash. To learn more, visit www.isa-arbor.com.

April 6; 8 Up By Roots Workshop. Dallas-Fort Worth, Texas; Austin, Texas. For more information, visit www.isa-arbor.com.

April 8-11 2010 Professional Landcare Network Student Career Days. Chattahoochee Technical College, North Metro Campus, Atlanta, Ga. For details, visit www.landcarenetwork.org.

April 21-24 2010 Meeting of the Alliance for Historic Landscape Preservation. Hotel Albuquerque, Albuquerque, N.M. To learn more, visit www.ahlp.org/docs/meetings.html#2009.

April 22 PLANET Day of Service. Nationwide. For more information, visit www.planetdayofservice.org.

April 24-26 American Society of Irrigation Consultants 2010 Annual Conference. Monterey, Calif. To learn more, visit www.asic.org.

April 27 WaterEC 2010. Marriott Nashville Airport Hotel, Nashville, Tenn. For details, visit www.waterec.net.

May 10-14 Lightfair International Institute, Trade Show & Conference. Las Vegas Convention Center, Las Vegas, Nev. For more information, visit www.lightfair.com.

June 1-4 Weeds Across Borders Conference. Shepherdstown, W.Va. For details, visit www.weedcenter.org/wab2010.

Canada/International

March 15-16 2010 Aquascape Winter Seminar Tour. Moncton, N.B. To learn more, visit www.aquascapetraining.com.

March 17-21 Canada Blooms. Direct Energy Centre, Toronto, Ont. For details, visit www.canadablooms.com.

April 11-14 International Conference on Turfgrass. Angers, France. To learn more, visit www.turfgrasssociety.eu.

April 20-22 LogiChem 2010. Hilton Hotel, Dusseldorf, Germany. For more information, e-mail LogiChem@wbr.co.uk or visit www.LogiChemEurope.com.

May 3-6 Sports Turf Association Sports Turf Management & Maintenance Course. University of Guelph, Guelph, Ont. For details, call 517-763-9431 or visit www.sportsturfassociation.com.