Arizona

May 12 Arizona Certified Landscape Professional Workshop: Tree Pruning. Central Arizona College, Coolidge. For more information, visit www.azlca.com.

May 21 Desert Horticulture Conference. Tucson Convention Center, Tucson. For details, visit http://ag.arizona.edu/deserthort.

June 9 Arizona Certified Landscape Professional Workshop: Irrigation. Central Arizona College, Coolidge. To learn more, visit www.azlca.com.

July 14 Arizona Certified Landscape Professional Workshop: Water Management. Central Arizona College, Coolidge. For more information, visit www.azlca.com.

California

April 20-21 Sacramento Valley CLCA Legislative Grassroots Training & Legislative Conference. Sacramento. For more information, visit www.clca.org.

July 21-24 California Landscape Contractors Association Summer Family Extravaganza. Fairmont Hotel, San Jose. For details, visit www.clca.org.

Colorado

April 29 Education & Golf Outing. Meadow Hills Golf Course, Aurora. To learn more, visit www.rmgcsa.org.

May 1 Paver Installation Technique, Basic Program Controller & Lateral Repair and Grading & Drainage Prep Sessions. Pickens Technical College, Aurora. For more information, e-mail mkelley@alcc.com or visit www.alcc.com.

May 6 Graff’s Turf Farms Field Day. Graff’s Turf Farms, Fort Morgan. For details, call 800-280-8873 or visit www.graffsturffarms.com.

May 8 Instrument, Valve Repair & Advanced Program Controller and Mainline & Lateral Installation Prep Sessions. Pickens Technical College, Aurora. To learn more, e-mail mkelley@alcc.com or visit www.alcc.com.

May 8; August 14 Maintenance Equipment Orientation. Beaver Valley Supply, Denver; Mac Equipment, Loveland; MSE Hickman, Colorado Springs. For details, visit www.alcc.com.

May 25 Education & Golf Outing. Inverness Hotel & Golf Club, Englewood. For more information, visit www.rmgcsa.org.

July 13 16th Annual Lawnmower Man Open. Heritage at WestMoor, Westminster. For details, visit www.cstma.org.

Oregon

April 22 2010 Oregon Landscape Contractors Association Management Seminar. Crowne Plaza Portland-Lake Oswego, Lake Oswego. To learn more, visit www.oregonlandscape.org.

Washington

May 9 Cass Turnbull’s Master Pruner Series: Japanese Garden Pruning Class. Warren G. Magnuson Park, Seattle. For more information, call 206-783-9813 or e-mail info@plantamnesty.org.

May 15 Cass Turnbull’s Master Pruner Series: Japanese Garden Pruning All-Day Workshop. Kubota Gardens, Seattle. To learn more, call 206-783-9813 or e-mail info@plantamnesty.org.

National

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.

May 12 Athletic Field Maintenance Forum. New York, N.Y. To learn more, visit www.beaconathletics.com/seminars.

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

June 9 Athletic Field Maintenance Forum. St. Louis, Mo. To learn more, visit www.beaconathletics.com/seminars.

June 18 Up By Roots Workshop. Columbus, Ohio. For more information, visit www.isa-arbor.com.

June 21-24 American Nursery & Landscape Association Retail Roadshow. Salt Lake City, Utah. To learn more, visit www.anla.org.

June 23-26 13th Annual Snow & Ice Symposium. Rhode Island Convention Center, Providence, R.I. For more information, visit http://sima.org.

July 10 American Nursery & Landscape Association One-Day Landscape Tour. Columbus, Ohio. For details, visit www.anla.org.

July 18-20 2010 Legislative Day on the Hill and Renewal & Remembrance. Capitol Hill, Washington, D.C., and Arlington National Cemetery, Arlington, Va. To learn more, visit www.landcarenetwork.org.

July 18-24 Perennial Plant Association Symposium. Portland, Ore. For more information, visit www.perennialplant.org.

July 22-23 2010 Professional Grounds Management Society Summer Seminar & Site Visitation. Boston, Mass. To learn more, visit www.pgms.org.

July 23-28 ISA Conference & Trade Show. Chicago, Ill. For more information, visit http://isa-arbor.com/conference/default.aspx.

July 26-30 2010 Turfgrass Producers International Summer Convention & Field Days. Sheraton New York Hotel & Towers, New York, N.Y. For more information, call 800-405-8873, e-mail meetings@turfgrasssod.org or visit www.turfgrasssod.org.

September 10-13 American Society of Landscape Architects Expo. Washington, D.C. For details, call 888-999-2752, e-mail info@asla.org or visit www.asla.org.

September 29 Athletic Field Maintenance Forum. Chicago, Ill. To learn more, visit www.beaconathletics.com/seminars.

October 6-8 WaterSmart Innovations. Las Vegas, Nev. For more information, visit www.watersmartinnovations.com.

October 28-30 GIE+EXPO 2010. Kentucky Exposition Center, Louisville, Ky. To learn more, visit http://gie-expo.com.

November 9-11 Partners in Community Forestry National Conference. Loews Hotel, Philadelphia, Pa. For more information, visit www.arborday.org.

Canada/International

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.

September 29-October 1 CanWest Hort Show & Industry Tours. Vancouver Convention Centre, Vancouver, B.C. For more information, visit www.canwesthortshow.com.

November 30-December 2 Cities Alive! 8th Annual Green Roof & Wall Conference. Vancouver, B.C. To learn more, e-mail ajohnston@greenroofs.org.