Arizona

May 21 Desert Horticulture Conference. Tucson Convention Center, Tucson. For details, visit 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.

August 11 Arizona Certified Landscape Professional Workshop: Plant Identification. Central Arizona College, Coolidge. For details, visit www.azlca.com.

California

July 19, 20, 22 SMART Technologies, Alternative Water for Landscape Irrigation, Predicting & Estimating Landscape Water Use. Palmdale. To learn more, e-mail info@spotwater.com.

July 21-22 Landscape Irrigation Auditor Class. Palmdale. For more information, e-mail info@spotwater.com.

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

Colorado

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.

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

Hawaii

June 22-July 31 Certified Landscape Technician Training Courses. Urban Garden Center, Pearl City. To learn more, visit lichawaii.com.

July 23-24, 31 Certified Landscape Technician Program Irrigation School. Urban Garden Center, Pearl City, and University of Hawaii Experiment Station Farm, Waimanalo. For more information, visit lichawaii.com.

Idaho

July 15-16 Idaho Nursery & Landscape Association Southwest Chapter Tour & Golf Tournament. Boise. To learn more, visit www.inlagrow.org.

Oregon

August 26-28 Farwest Show. Oregon Convention Center, Portland. For more information, visit www.farwestshow.com.

Washington

June 22 Oregon State University/Washington State University Turf Field Day. Pullman. To learn more, visit www.wwgcsa.org.

Wyoming

September 8-11 2010 International Plant Propagators’ Society Western Regional Conference. Bellingham, Wash. For details, visit www.ippswr.org.

National

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

June 6-11 International Association for Plant Biotechnology 12th World Congress. St. Louis, Mo. For more information, visit www.iapb2010.org.

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