Arizona

October 8-9 Arizona Community Tree Council 2010 Annual Conference. Rio Rico. To learn more, visit www.aztrees.org.

October 13 Arizona Certified Landscape Professional Workshop: Plant Problems. Central Arizona College, Coolidge. For details, visit www.azlca.com.

California

October 6-7 2010 Landscape Expo. Long Beach Convention Center, Long Beach. For details, visit www.landscapeonline.com.

Colorado

September 29 GreenCO Foundation Casino Night. Butterfly Pavilion, Westminster. To learn more, call 303-850-7587.

October 5, 7, 14, 21 Commercial Pesticide Applicators Prep Seminars: Turf; Ornamental; Industrial Right of Way; Outdoor Vertebrate. CNGA Office, Lakewood. For more information, visit www.coloradonga.org.

October 7 Associated Landscape Contractors of Colorado Northern Chapter Commercial Vehicle Meeting. Weld County Garage, Greeley. For details, e-mail cjackson@alcc.com or visit www.alcc.com.

October 21 Rocky Mountain Short Course-Value of Efficiency: Alternative Energy Practices for Growing and Watering Techniques. Parker Library, Parker. To learn more, visit www.coloradonga.org.

Hawaii

September 29-30 2010 Landscape Industry Council of Hawaii Trade Show. Ko’olau Golf Course, Kaneohe. For details, visit http://lichawaii.com.

Montana

October 6-9 Tristate Recreation, Parks & Trails Conference. Holiday Inn, West Yellowstone. For details, visit www.imasla.org.

Oregon

September 23-25 2010 Oregon Association of Nurseries Annual Convention. Riverhouse Hotel, Bend. To learn more, visit www.oan.org.

Washington

September 26-28 64th Annual Northwest Turfgrass Association Conference. Wine Valley Golf Course, Walla Walla. For details, visit www.nwturfgrass.net.

National

September 24 Erosion Processes and Control. Webinar. For details, call 303-640-7554, e-mail holly@ieca.org or visit www.ieca.org.

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

October 6-7 2010 Landscape Expo. Long Beach Convention Center, Long Beach, Calif. For details, visit www.landscapeonline.com.

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

October 17-21 48th International Making Cities Livable Conference. Dock Street Theater, Charleston, S.C. For details, visit www.livablecities.org.