March

23 Pruning Shrubs: Broad-Leaved & Needle-Leaved. Morris Arboretum, Philadelphia, Pa. To learn more, call 215-247-5777, ext. 144, or visit www.morrisarboretum.org.

23-27 Municipal Specialist Certification Prep Course. Brea, Calif. For details, visit www.wcisa.net.

25-26 Midwest Urban Tree Care Forum. Chicago, Ill. For more information, call 877-617-8887 or visit www.illinoisarborist.org.

28-29 Level 1 Precision Felling, Chain Saw Handling, Safety & Ergonomics. Biltmore Estate, Asheville, N.C. To learn more, visit www.arbormaster.com.

29 New Hampshire Arborists Association Annual Meeting. The Grappone Center, Concord, N.H. For details, visit www.nharborists.org.

29 Electrical Hazards Awareness Program. Midland, Mich. To learn more, e-mail asm@acd.net or visit www.asm-isa.org.

30-April 1 Level 1 Tree Climbing Methods, Work Positioning & Best Practice. Biltmore Estate, Asheville, N.C. For more information, visit www.arbormaster.com.

April

4-5 Level 1 Arborist Rigging Applications. Biltmore Estate, Asheville, N.C. To learn more, visit www.arbormaster.com.

7 Starker Lecture Series – Connecting People & Forests: A Global Perspective on Urban Forestry. World Forestry Center, Miller Hall, Portland, Ore. For details, call 541-737-1591 or visit http://starkerlectures.forestry.oregonstate.edu.

8 Mature Tree Care. Morris Arboretum, Philadelphia, Pa. For more information, call 215-247-5777, ext. 144, or visit www.morrisarboretum.org.

9 2011 ISA Mid-Atlantic Chapter Tree Climbing Championship. Knights of Columbus, Arlington, Va. For details, visit www.mac-isa.org.

10-11 New York State Arborists 2011 Spring Education Seminar. Lyndhurst, Tarrytown, N.Y. For more information, call 518-694-5507 or visit www.nysarborists.com.

11-12; 14-15 Tree Risk Assessment Workshop. Fort Worth Botanical Gardens, Fort Worth, Texas, and Trinity University, San Antonio, Texas. For details, visit www.isatexas.com.

12-14 Wilderness Rescue: Rope Technician Course. Morris Arboretum, Philadelphia, Pa. To learn more, call 215-247-5777, ext. 144, or visit www.morrisarboretum.org.

13-15 Kentucky Forest Industries Association 46th Annual Meeting: Exploring New Markets. Marriott Griffin Gate, Lexington, Ky. For more information, call 502-695-3979 or visit www.kfia.org.

13-15 Florida Vegetation Management Association Meeting. Hilton Daytona Beach/Ocean Walk Village, Daytona Beach, Fla. To learn more, call 850-342-2347 or visit www.fvma.info.

15 Common Diseases of Trees & Shrubs. Morris Arboretum, Philadelphia, Pa. For more information, call 215-247-5777, ext. 144, or visit www.morrisarboretum.org.

18-20 20th Annual Arkansas Urban Forestry Council Conference. Clarion Resort on the Lake, Hot Springs, Ark. For details, call 800-958-5865, e-mail info@arkansastrees.org or visit www.arkansastrees.org.

23 Certified Tree Worker Class: CPR/First Aid. Reed Keppler Park, West Chicago, Ill. To learn more, call 888-617-8887 or visit www.illinoisarborist.org.

23 & 30 Abiotic Advanced Training. Lincoln Land Community College, Springfield, Ill. For more information, call 877-617-887 or visit www.illinoisarborist.org.

25-26 Tree Risk Assessment Course & Exam. Redmond Inn, Redmond, Wash. For more information, visit www.pnwisa.org.

26-27 Soils & Urban Trees Conference. Toronto Botanical Garden, Toronto, Ont. To learn more, visit www.ufis.ca/soil.php.

28 Roots Plus Growers Workshop. Gainesville, Fla. For details, visit www.floridaisa.org.

28 Sidewalks & Trees: How to Repair & Maintain the Structural Integrity of Both. WSU Extension Building, Spokane, Wash. For more information, visit www.pnwisa.org.

30 Certified Tree Worker Class: Aerial Rescue. Reed Keppler Park, West Chicago, Ill. To learn more, call 888-617-8887 or visit www.illinoisarborist.org.

30 2011 Ohio Tree Climbing Championship. Jeffrey Park, Bexley, Ohio. For more information, visit www.ohiochapterisa.org.

May

7 Illinois Arborist Tree Climbing Competition. Salt Creek Forest Preserve, Wood Dale, Ill. For details, visit www.illinoisarborist.org.

11-13 2011 Western Chapter ISA Conference & Trade Show. San Diego, Calif. To learn more, visit www.wcisa.net.

12 Scouting for Pests & Problems of Woody Ornamentals Walkabout: Diseases, Insects & Weeds. Berkshire Botanical Garden, Stockbridge, Mass. For details, call 413-545-0895 or e-mail eweeks@umext.umass.edu.

12-13 Tree Risk Assessment Course & Exam. Clackamas Community College, Oregon City, Ore. For more information, visit www.pnwisa.org.